CVE-2026-121776

MEDIUM 6.5

WordPress Passster plugin <= 4.3.20 - Broken Access Control vulnerability

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

Missing Authorization vulnerability in WP Chill Passster content-protector allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Passster: from n/a through 4.3.20.

CWE	CWE-862
Vendor	wp chill
Product	passster
Published	Nov 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

WP Chill / Passster

0 ≤ 4.3.20

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/content-protector/vulnerability/wordpress-passster-plugin-4-3-20-broken-access-control-vulnerability-2?_s_id=cve

Credits

Malvin Valerian Gultom | Patchstack Bug Bounty Program