Vulnerability database
Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.
17 results
Sep 27, 2026Malcure Malware Shield — Removal, Repair, Monitor: Does not perform an authorisation check on one of its AJAX actionsCVE-2026-96896 · WordPress plugins & themes · reported by WPScanHigh 7.2
The Malcure Malware Shield — Removal, Repair, Monitor WordPress plugin before 19.9.7 does not perform an authorisation check on one of its AJAX actions, allowing users with a subsite administrator role on a multisite network to write and delete arbitrary files in the network's shared filesystem, which can lead to remote code execution.
- Product
- Malcure Malware Shield — Removal, Repair, Monitor
- Fixed in
- 19.9.7
- What to do
- Update Malcure Malware Shield — Removal, Repair, Monitor to 19.9.7 or newer.
Feb 19, 2026Shield Security: Cross-Site Request ForgeryCVE-2026-0722 · WordPress plugins & themes · reported by WordfenceMedium 6.5
The Shield Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 21.0.8. This is due to the plugin allowing nonce verification to be bypassed via user-supplied parameter in the 'isNonceVerifyRequired' function. This makes it possible for unauthenticated attackers to execute SQL injection attacks, extracting sensitive information from the database, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Product
- Shield Security
- Affected
- up to 21.0.8
- What to do
- Affects up to 21.0.8. Update Shield Security to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
Feb 19, 2026Shield Security: Reflected Cross-Site ScriptingCVE-2026-0561 · WordPress plugins & themes · reported by WordfenceMedium 6.1
The Shield Security plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'message' parameter in all versions up to, and including, 21.0.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
- Product
- Shield Security
- Affected
- up to 21.0.8
- What to do
- Affects up to 21.0.8. Update Shield Security to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordplugins.trac.wordpress.orgresearch.cleantalk.org
Feb 19, 2026Shield Security: Blocks Bots, Protects Users, and Prevents Security Breaches: Unauthorized modification of dataCVE-2025-14427 · WordPress plugins & themes · reported by WordfenceMedium 4.3
The Shield Security: Blocks Bots, Protects Users, and Prevents Security Breaches plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `MfaEmailDisable` action in all versions up to, and including, 21.0.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to disable the global Email 2FA setting for the entire site.
- Product
- Shield Security: Blocks Bots, Protects Users, and Prevents Security Breaches
- Affected
- up to 21.0.9
- What to do
- Affects up to 21.0.9. Update Shield Security: Blocks Bots, Protects Users, and Prevents Security Breaches to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordplugins.trac.wordpress.orgwordfence.com
Feb 17, 2026Custom Content by Country (by Shield Security): Missing AuthorizationCVE-2022-41650 · WordPress plugins & themes · reported by PatchstackMedium 6.5
Missing Authorization vulnerability in Paul Custom Content by Country (by Shield Security) custom-content-by-country.This issue affects Custom Content by Country (by Shield Security): from n/a through 3.1.2.
- Product
- Custom Content by Country (by Shield Security)
- Affected
- up to 3.1.2
- What to do
- Affects up to 3.1.2. Update Custom Content by Country (by Shield Security) to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Jan 16, 2026Shield: Blocks Bots, Protects Users, and Prevents Security Breaches: Insecure Direct Object ReferenceCVE-2025-15370 · WordPress plugins & themes · reported by WordfenceMedium 4.3
The Shield: Blocks Bots, Protects Users, and Prevents Security Breaches plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 21.0.9 via the MfaGoogleAuthToggle class due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to disable Google Authenticator for any user.
- Product
- Shield: Blocks Bots, Protects Users, and Prevents Security Breaches
- Affected
- up to 21.0.9
- What to do
- Affects up to 21.0.9. Update Shield: Blocks Bots, Protects Users, and Prevents Security Breaches to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
Dec 18, 2025ShieldGroup: Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')CVE-2025-49359 · WordPress plugins & themes · reported by PatchstackHigh 8.1
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes ShieldGroup shieldgroup allows PHP Local File Inclusion.This issue affects ShieldGroup: from n/a through <= 2.13.
- Product
- ShieldGroup
- Affected
- up to 2.13
- What to do
- Affects up to 2.13. Update ShieldGroup to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Jun 12, 2025Link Shield: Cross-Site Request ForgeryCVE-2025-5926 · WordPress plugins & themes · reported by WordfenceMedium 6.1
The Link Shield plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 0.5.4. This is due to missing or incorrect nonce validation on the link_shield_menu_options() function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Product
- Link Shield
- Affected
- up to 0.5.4
- What to do
- Affects up to 0.5.4. Update Link Shield to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordplugins.trac.wordpress.orgwordfence.com
Apr 9, 2025Link Shield: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2025-32503 · WordPress plugins & themes · reported by PatchstackHigh 7.1
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jose Conti Link Shield link-shield allows Stored XSS.This issue affects Link Shield: from n/a through <= 0.5.4.
- Product
- Link Shield
- Affected
- up to 0.5.4
- What to do
- Affects up to 0.5.4. Update Link Shield to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Aug 26, 2024Shield Security: Does not sanitise and escape a parameter before outputting it back in the pageCVE-2024-7313 · WordPress plugins & themes · reported by WPScanMedium 6.1
The Shield Security WordPress plugin before 20.0.6 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
- Product
- Shield Security
- Fixed in
- 20.0.6
- What to do
- Update Shield Security to 20.0.6 or newer.
Jun 2, 2024Shield Security – Smart Bot Blocking & Intrusion Prevention Security: Cross-Site Request ForgeryCVE-2024-4344 · WordPress plugins & themes · reported by WordfenceMedium 4.3
The Shield Security – Smart Bot Blocking & Intrusion Prevention Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 19.1.13. This is due to missing or incorrect nonce validation on the exec function. This makes it possible for unauthenticated attackers to disable pin protection for the admin interface of the plugin via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Product
- Shield Security – Smart Bot Blocking & Intrusion Prevention Security
- Affected
- up to 19.1.13
- What to do
- Affects up to 19.1.13. Update Shield Security – Smart Bot Blocking & Intrusion Prevention Security to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
Feb 5, 2024Shield Security – Smart Bot Blocking & Intrusion Prevention Security: Local File InclusionCVE-2023-6989 · WordPress plugins & themes · reported by WordfenceCritical 9.8
The Shield Security – Smart Bot Blocking & Intrusion Prevention Security plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 18.5.9 via the render_action_template parameter. This makes it possible for unauthenticated attacker to include and execute PHP files on the server, allowing the execution of any PHP code in those files.
- Product
- Shield Security – Smart Bot Blocking & Intrusion Prevention Security
- Affected
- up to 18.5.9
- What to do
- Affects up to 18.5.9. Update Shield Security – Smart Bot Blocking & Intrusion Prevention Security to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordplugins.trac.wordpress.orgwordfence.com
Jan 31, 2024Shield Security – Smart Bot Blocking & Intrusion Prevention Security: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2024-22163 · WordPress plugins & themes · reported by PatchstackHigh 7.1
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Shield Security Shield Security – Smart Bot Blocking & Intrusion Prevention Security allows Stored XSS.This issue affects Shield Security – Smart Bot Blocking & Intrusion Prevention Security: from n/a through 18.5.7.
- Product
- Shield Security – Smart Bot Blocking & Intrusion Prevention Security
- Affected
- up to 18.5.7
- What to do
- Affects up to 18.5.7. Update Shield Security – Smart Bot Blocking & Intrusion Prevention Security to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordpatchstack.compatchstack.com
Jun 9, 2023Shield Security: Missing Authorization on the 'theme-plugin-file' AJAX actionCVE-2023-0993 · WordPress plugins & themes · reported by WordfenceMedium 4.3
The Shield Security plugin for WordPress is vulnerable to Missing Authorization on the 'theme-plugin-file' AJAX action in versions up to, and including, 17.0.17. This allows authenticated attackers to add arbitrary audit log entries indicating that a theme or plugin has been edited, and is also a vector for Cross-Site Scripting via CVE-2023-0992.
- Product
- Shield Security
- Affected
- up to 17.0.17
- What to do
- Affects up to 17.0.17. Update Shield Security to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordplugins.trac.wordpress.orgwordpress.org
Jun 9, 2023Shield Security: Stored Cross-Site ScriptingCVE-2023-0992 · WordPress plugins & themes · reported by WordfenceHigh 7.2
The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- Product
- Shield Security
- Affected
- up to 17.0.17
- What to do
- Affects up to 17.0.17. Update Shield Security to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD recordplugins.trac.wordpress.orgwordpress.org
Feb 21, 2022Shield Security: Does not sanitise and escape admin notesCVE-2022-0211 · WordPress plugins & themes · reported by WPScanMedium 4.8
The Shield Security WordPress plugin before 13.0.6 does not sanitise and escape admin notes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed.
- Product
- Shield Security
- Fixed in
- 13.0.6
- What to do
- Update Shield Security to 13.0.6 or newer.
Mar 18, 2021Unvalidated input and lack of output encoding in the WP Shieldon WordPress plugin, version 1.6.3 and below, leads to Unauthenticated Reflected Cross-Site ScriptCVE-2021-24124 · WordPress plugins & themes · reported by WPScanMedium 6.1
Unvalidated input and lack of output encoding in the WP Shieldon WordPress plugin, version 1.6.3 and below, leads to Unauthenticated Reflected Cross-Site Scripting (XSS) when the CAPTCHA page is shown could lead to privileged escalation.
- Product
- WP Shieldon
- Affected
- up to 1.6.3
- What to do
- Affects up to 1.6.3. Update WP Shieldon to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.
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