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TI-2026-86158 Aliases CVE-2026-122670GHSA-rxrf-wcmf-c8v4

Missing authorization in WordPress Polylang plugin

Priority LOW 24CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

Missing authorization in the WP SYNTEX Polylang plugin for WordPress affects versions from n/a through 3.9. The plugin does not perform a required authorization check, which is tracked as CWE-862. A remote attacker with low privileges and no user interaction can reach restricted functionality and gain limited read and write access to data.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00179 7th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WP SYNTEXPolylangup to 3.9—No fix listedCNA
  • Polylang VendorWP SYNTEX Affected up to 3.9 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Polylang.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-122670
  2. 2026-11-07 Alias added: GHSA-rxrf-wcmf-c8v4
  3. 2026-11-07 CISA SSVC decision points changed
  4. 2026-11-07 Priority changed: MEDIUM → LOW

References

Other 1

  • TI-2026-73916 PHP object injection in WordPress Polylang plugin CVSS 3.1HIGH 7.2
  • TI-2026-67598 Missing authorization in WordPress Polylang exposes sensitive data CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences