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CriticalVulnerabilityCVE-2026-62009updated 29 Oct 2026, 20:19 UTC

Filmax WordPress plugin lets attackers inject malicious PHP objects

Attackers who need no login could send specially crafted data to a website using this plugin, which can make the site run harmful code. This can let them take control of the site or steal its data.

Official, 2 sources
SeverityCriticalCVSS 9.8 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official, 2 sourcesBacked by an official source

How the attack works simplified

  1. 1Attacker sends crafted requestNo login needed
  2. 2Plugin unserializes inputUntrusted data is processed as objects
  3. 3Malicious object triggers codeExploit runs on the server
  4. ResultAttacker may control the server

What happened

The Filmax plugin (versions 1.1.11 and earlier) contains an unauthenticated PHP Object Injection flaw, where untrusted input is unsafely deserialized.

Why it is dangerous: Successful exploitation can lead to remote code execution, data theft, or full site compromise; any site running the affected plugin is at risk.

Are you affected?

You are affected if your WordPress site runs the Filmax plugin at version 1.1.11 or earlier.

Filmax plugin versions <= 1.1.11

What to do

  1. Check whether the Filmax plugin is installed and note its version
  2. Deactivate and remove the Filmax plugin if it is version 1.1.11 or earlier and no fixed version is available
  3. Check the plugin's vendor or GitHub advisory for a patched release before reinstalling

Timeline

  1. 29 Oct 2026, 16:18 UTC
    Publicly disclosed
  2. 29 Oct 2026, 16:18 UTC
    Reported by NVD · NVD
  3. 29 Oct 2026, 16:20 UTC
    Picked up by Zero Radar
  4. 29 Oct 2026, 20:19 UTC
    GitHub Advisory reported on it · GitHub Advisory

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-62009 · GHSA-frfr-h547-gfrm
CVSS
9.8 / 10
EPSS
0.4% chance of exploitation within 30 days
Disclosed
29 Oct 2026, 16:18 UTC
On Zero Radar
29 Oct 2026, 16:20 UTC (2 min after disclosure)
Last change
29 Oct 2026, 20:19 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

Filmax WordPress plugin lets attackers inject malicious PHP objects · Zero Radar