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CVE-2026-121574VulnerabilityPublished

WP Chill Passster content-protector · Missing Authorization Vulnerability

Source GCVE Database

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Authoritative record:CVE-2026-121574· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium : upgrade to 4.3.21 when convenient.

Data as of 11 Nov 2026, 13:47 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (Patchstack)CVSS 3.15.3
Patch
Available – fixed in 4.3.21
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

What to do

Upgrade Passster to 4.3.21.

Affected software

ProductAffectedFixed in
Passstercontent-protectorAffected
  • <4.3.21
Fixed in
  • 4.3.21

AI-suggested

If you cannot patch yet, review and correctly configure access control security levels in the Passster plugin to prevent unauthorized access.

Description

A missing authorization vulnerability exists in the WP Chill Passster content-protector plugin, affecting versions up to 4.3.20. This flaw allows attackers to exploit incorrectly configured access control security levels, potentially leading to unauthorized access to protected content.

References

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