CVE-2026-122670

MEDIUM 5.4

WordPress Polylang plugin <= 3.9 - Broken Access Control vulnerability

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Polylang: from n/a through 3.9.

CWE	CWE-862
Vendor	wp syntex
Product	polylang
Published	Nov 6, 2026
Last Updated	Nov 6, 2026

Stay Ahead of the Next One

Get instant alerts for wp syntex polylang

Be the first to know when new medium vulnerabilities affecting wp syntex polylang are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

WP SYNTEX / Polylang

0 ≤ 3.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/polylang/vulnerability/wordpress-polylang-plugin-3-9-broken-access-control-vulnerability?_s_id=cve

Credits

Oly Hossen | Patchstack Bug Bounty Program