CVE-2026-39783

MEDIUM 4.3

WordPress Polylang plugin <= 3.8.7 - Sensitive Data Exposure vulnerability

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Retrieve Embedded Sensitive Data.This issue affects Polylang: from n/a through 3.8.7.

CWE	CWE-862
Vendor	wp syntex
Product	polylang
Published	Oct 5, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

WP SYNTEX / Polylang

0 ≤ 3.8.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/polylang/vulnerability/wordpress-polylang-plugin-3-8-7-sensitive-data-exposure-vulnerability?_s_id=cve

Credits

Ananda Dhakal (Patchstack)