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TI-2026-86624 Aliases CVE-2026-120836GHSA-x9qq-f758-q4c6

Missing authorization in Meta Box WordPress plugin

Priority LOW 26CWE-862Published · Updated

Key facts

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

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

Summary

The eLightUp Meta Box WordPress Custom Fields Framework plugin is affected up to and including 5.15.3. The plugin lacks a required authorization check (CWE-862), so access controls are not enforced. A remote attacker with low privileges and no user interaction can reach restricted information they should not see.

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

Description from the CNA

Missing Authorization vulnerability in eLightUp Meta Box – WordPress Custom Fields Framework meta-box allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Meta Box – WordPress Custom Fields Framework: from n/a through 5.15.3.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
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
eLightUpMeta Box – WordPress Custom Fields Frameworkup to 5.15.3—No fix listedCNA
  • Meta Box – WordPress Custom Fields Framework VendoreLightUp Affected up to 5.15.3 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Meta Box WordPress Custom Fields Framework.

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

Timeline

  1. 2026-11-07 Threatist record created from CVE-2026-120836
  2. 2026-11-07 CISA SSVC decision points changed
  3. 2026-11-07 Priority changed: MEDIUM → LOW
  4. 2026-11-07 Alias added: GHSA-x9qq-f758-q4c6

References

Other 1

  • TI-2026-67960 Privilege escalation in WordPress Meta Box AIO plugin CVSS 3.1CRITICAL 9.8
  • TI-2026-28442 WordPress Meta Box – WordPress Custom Fields Framework plugin <= 5.11.1 - Arbitrary File Deletion vulnerability CVSS 3.1MEDIUM 6.8
  • TI-2026-79205 Missing authorization in Falcon WordPress Optimizations plugin CVSS 3.1MEDIUM 5.3
  • TI-2026-76902 Missing authorization in Meta Box WordPress plugin CVSS 3.1MEDIUM 6.5
  • TI-2026-41366 WordPress Slim SEO plugin <= 4.6.2 - Broken Access Control vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2023-12743 WordPress eRocket Plugin <= 1.2.4 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 5.9

Sources

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