Critical security advisoryCriticalFlagged by our vulnerability database: PHP2Shell is on CISA’s exploited list. Most WordPress hosting runs PHP. See if your site is affectedFlagged by our vulnerability database: PHP2Shell is being exploited. DetailsExploited: PHP2Shell. Check your site
HuttenlocherTechnologies
Updated 1 h ago

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.

1,762exploited flaws on CISA’s list
34added in the last 30 days
344new WordPress flaws this week
390,080entries in the database

5 results

  • Feb 12, 2026Soliton Systems K.K FileZen OS Command Injection VulnerabilityCVE-2026-25108 · Other software · Soliton Systems K.K · reported by vultures@jpcert.or.jpExploitedHigh 8.7

    Soliton Systems K.K FileZen contains an OS command injection vulnerability when an user logs-in to the affected product and sends a specially crafted HTTP request.

    Product
    FileZen
    On CISA’s list since
    Feb 24, 2026 (federal fix deadline Mar 17, 2026)
    What to do
    Attackers are using this now. Install Soliton Systems K.K’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Feb 16, 2021FileZen (V3.0.0 to V4.2.7 and V5.0.0 to V5.0.2) allows a remote attacker with administrator rights to execute arbitrary OS commands via unspecified vectors.CVE-2021-20655 · Other software · Soliton Systems K.K. · reported by vultures@jpcert.or.jpHigh 7.2

    FileZen (V3.0.0 to V4.2.7 and V5.0.0 to V5.0.2) allows a remote attacker with administrator rights to execute arbitrary OS commands via unspecified vectors.

    Product
    FileZen
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Dec 13, 2020Directory traversal vulnerability in FileZen versions from V3.0.0 to V4.2.2 allows remote attackers to upload an arbitrary file in a specific directory via unspCVE-2020-5639 · Other software · Soliton Systems K.K. · reported by vultures@jpcert.or.jpCritical 9.8

    Directory traversal vulnerability in FileZen versions from V3.0.0 to V4.2.2 allows remote attackers to upload an arbitrary file in a specific directory via unspecified vectors. As a result, an arbitrary OS command may be executed.

    Product
    FileZen
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Nov 15, 2018FileZen V3.0.0 to V4.2.1 allows remote attackers to execute arbitrary OS commands via unspecified vectors.CVE-2018-0694 · Other software · Soliton Systems K.K. · reported by vultures@jpcert.or.jpCritical 9.8

    FileZen V3.0.0 to V4.2.1 allows remote attackers to execute arbitrary OS commands via unspecified vectors.

    Product
    FileZen
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Nov 15, 2018Directory traversal vulnerability in FileZen V3.0.0 to V4.2.1 allows remote attackers to upload an arbitrary file in the specific directory in FileZen via unspeCVE-2018-0693 · Other software · Soliton Systems K.K. · reported by vultures@jpcert.or.jpHigh 7.5

    Directory traversal vulnerability in FileZen V3.0.0 to V4.2.1 allows remote attackers to upload an arbitrary file in the specific directory in FileZen via unspecified vectors.

    Product
    FileZen
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.

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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