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Type a plugin or theme and the version you run, and we’ll show every known vulnerability that affects it, from the 390,007 records in our vulnerability database. The version is listed under Plugins in your WordPress dashboard.
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Plugin · ultimate-post
PostX
25 known vulnerabilities on record. Add your version above to see which ones affect you.
Oct 10, 2026Post Grid Gutenberg Blocks – PostX: Stored Cross-Site ScriptingCVE-2026-96840 · affects up to 5.1.0 · reported by WordfenceHigh 7.2
The Post Grid Gutenberg Blocks – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via display_name User Field in all versions up to, and including, 5.1.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. WordPress core's pre_user_display_name filter encodes &, <, and > but leaves double-quotes intact (ENT_NOQUOTES), allowing a Subscriber-level user to store a double-quote in their display_name via /wp-admin/profile.php that subsequently breaks out of the alt="" attribute at Archive_Title.php:144.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
Sep 23, 2026Post Grid Gutenberg Blocks: Does not perform an authorization or post-visibility check on a REST API route that returns the custom field keys of a given postCVE-2026-86783 · fixed in 5.0.41 · reported by WPScanMedium 5.3
The Post Grid Gutenberg Blocks WordPress plugin before 5.0.41 does not perform an authorization or post-visibility check on a REST API route that returns the custom field keys of a given post, allowing unauthenticated users to disclose the custom field key names of arbitrary posts, including private, draft, pending, scheduled and password-protected posts.
Aug 6, 2026Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX: Stored Cross-Site ScriptingCVE-2026-5158 · affects up to 5.0.13 · reported by WordfenceMedium 6.4
The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'inputPlaceHolder' parameter in all versions up to, and including, 5.0.13 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Jul 24, 2026Post Grid Gutenberg Blocks – PostX: Stored Cross-Site ScriptingCVE-2026-15100 · affects up to 5.0.32 · reported by WordfenceMedium 6.4
The Post Grid Gutenberg Blocks – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'searchnoresult' Block Attribute in all versions up to, and including, 5.0.32 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is particularly concerning in a cross-privilege scenario where a Contributor creates a pending or draft post containing the malicious block attribute, which then executes arbitrary JavaScript in the browser session of an Editor or Administrator who previews that post.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
Jul 9, 2026Ultimate Post: Stored Cross-Site ScriptingCVE-2026-13253 · affects up to 5.0.31 · reported by WordfenceMedium 6.4
The Ultimate Post plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'moreResultsText' block attribute of the ultimate-post/advanced-search block in versions up to and including 5.0.31. This is due to insufficient input sanitization and output escaping in the Advanced_Search::content() render callback: the attribute value is filtered with wp_kses(), which strips disallowed HTML tags but does NOT escape HTML special characters such as double quotes in plain text, and the result is then concatenated directly into the data-viewmoretext HTML attribute without esc_attr(). This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
Apr 16, 2026Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX: Unauthorized modification of dataCVE-2026-0718 · affects up to 5.0.5 · reported by WordfenceMedium 5.3
The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the ultp_shareCount_callback() function in all versions up to, and including, 5.0.5. This makes it possible for unauthenticated attackers to modify the share_count post meta for any post, including private or draft posts.
Mar 3, 2026Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX: Server-Side Request ForgeryCVE-2026-1273 · affects up to 5.0.8 · reported by WordfenceHigh 7.2
The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.0.8 via the `/ultp/v3/starter_dummy_post/` and `/ultp/v3/starter_import_content/` REST API endpoints. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
Jan 22, 2026PostX: Missing AuthorizationCVE-2025-69313 · affects up to 5.0.3 · reported by PatchstackHigh 7.5
Missing Authorization vulnerability in WPXPO PostX ultimate-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PostX: from n/a through <= 5.0.3.
Dec 24, 2025PostX: Exposure of Sensitive System Information to an Unauthorized Control SphereCVE-2025-68606 · affects up to 5.0.3 · reported by PatchstackMedium 5.3
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in WPXPO PostX ultimate-post allows Retrieve Embedded Sensitive Data.This issue affects PostX: from n/a through <= 5.0.3.
Dec 20, 2025Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX: Unauthorized access of dataCVE-2025-12980 · affects up to 5.0.3 · reported by WordfenceHigh 7.5
The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the '/ultp/v2/get_dynamic_content/' REST API endpoint in all versions up to, and including, 5.0.3. This makes it possible for unauthenticated attackers to retrieve sensitive user metadata, including password hashes.
Dec 18, 2025PostX: Incorrect Privilege AssignmentCVE-2025-55707 · affects up to 4.1.35 · reported by PatchstackHigh 7.2
Incorrect Privilege Assignment vulnerability in WPXPO PostX ultimate-post allows Privilege Escalation.This issue affects PostX: from n/a through <= 4.1.35.
Dec 18, 2025PostX: Missing AuthorizationCVE-2025-54751 · affects up to 4.1.36 · reported by PatchstackHigh 7.1
Missing Authorization vulnerability in WPXPO PostX ultimate-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PostX: from n/a through <= 4.1.36.
Mar 28, 2025PostX: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2025-31096 · affects up to 4.1.25 · reported by PatchstackMedium 6.5
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPXPO PostX ultimate-post allows DOM-Based XSS.This issue affects PostX: from n/a through <= 4.1.25.
Dec 9, 2024PostX: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2024-53818 · affects up to 4.1.15 · reported by PatchstackMedium 6.5
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPXPO PostX ultimate-post.This issue affects PostX: from n/a through <= 4.1.15.
Nov 19, 2024PostX: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2024-50513 · affects up to 4.1.15 · reported by PatchstackMedium 5.9
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPXPO PostX ultimate-post allows Stored XSS.This issue affects PostX: from n/a through <= 4.1.15.
Nov 16, 2024Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX: Unauthorized plugin installation/activationCVE-2024-10728 · affects up to 4.1.16 · reported by WordfenceHigh 8.8
The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized plugin installation/activation due to a missing capability check on the 'install_required_plugin_callback' function in all versions up to, and including, 4.1.16. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
Oct 28, 2024PostX: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2024-50443 · affects up to 4.1.12 · reported by PatchstackMedium 6.5
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPXPO PostX ultimate-post.This issue affects PostX: from n/a through <= 4.1.12.
Jun 17, 2024Post Grid Gutenberg Blocks and WordPress Blog: Does not validate and escape some of its block options before outputting them back in a page/post where the block is embedCVE-2024-4305 · fixed in 4.1.0 · reported by WPScanMedium 6.8
The Post Grid Gutenberg Blocks and WordPress Blog Plugin WordPress plugin before 4.1.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
Jun 9, 2024PostX: Missing AuthorizationCVE-2024-31246 · affects up to 3.2.3 · reported by PatchstackMedium 5.4
Missing Authorization vulnerability in WPXPO PostX ultimate-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PostX: from n/a through <= 3.2.3.
May 30, 2024Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX: Unauthorized modification of dataCVE-2024-5326 · affects up to 4.1.2 · reported by WordfenceHigh 8.8
The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'postx_presets_callback' function in all versions up to, and including, 4.1.2. This makes it possible for authenticated attackers, with Contributor-level access and above, to change arbitrary options on affected sites. This can be used to enable new user registration and set the default role for new users to Administrator.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
May 30, 2024Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX: Stored Cross-Site ScriptingCVE-2024-5223 · affects up to 4.1.1 · reported by WordfenceMedium 6.4
The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's file uploading feature in all versions up to, and including, 4.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
May 14, 2024Post Grid Gutenberg Blocks and WordPress Blog: Does not validate and escape some of its block options before outputting them back in a page/post where the block is embedCVE-2024-3239 · fixed in 4.0.2 · reported by WPScanMedium 5.4
The Post Grid Gutenberg Blocks and WordPress Blog Plugin WordPress plugin before 4.0.2 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
Apr 18, 2024PostX: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2024-32564 · affects up to 4.0.1 · reported by PatchstackMedium 6.5
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPXPO PostX ultimate-post allows DOM-Based XSS.This issue affects PostX: from n/a through <= 4.0.1.
Aug 30, 2023PostX: Does not sanitise and escape a parameter before outputting it back in the pageCVE-2023-3992 · fixed in 3.0.6 · reported by WPScanMedium 6.1
The PostX WordPress plugin before 3.0.6 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
Jul 25, 2023Unauth.CVE-2023-36385 · affects up to 2.9.9 · reported by PatchstackHigh 7.1
Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in wpxpo PostX – Gutenberg Post Grid Blocks plugin <= 2.9.9 versions.
Versions are matched against the affected ranges published with each record. A plugin can ship a fix under its own numbering, so if something looks off, check the linked record. Want the whole site checked at once? Run the free website check.
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