CVE-2026-39783

WordPress Polylang plugin <= 3.8.7 - Sensitive Data Exposure vulnerability

Published Oct 5, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Retrieve Embedded Sensitive Data.This issue affects Polylang: from n/a through 3.8.7.

Remediation

Vendor Solution

Update the WordPress Polylang plugin to the latest available version (at least 3.8.8).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions polylang
Wp Syntex
Wp Syntex polylang
Vendors & Products Wordpress-extensions
Wordpress-extensions polylang
Wp Syntex
Wp Syntex polylang
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Retrieve Embedded Sensitive Data.This issue affects Polylang: from n/a through 3.8.7.
Title WordPress Polylang plugin <= 3.8.7 - Sensitive Data Exposure vulnerability
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 5, 2026, 3:28 PM
Reserved
Apr 7, 2026, 10:59 AM
Status
Deferred
Published
Oct 5, 2026, 12:17 PM
Modified
Oct 6, 2026, 3:04 PM