TI-2026-67960 Aliases CVE-2026-39761 GHSA-4v6j-5867-cj5q

Privilege escalation in WordPress Meta Box AIO plugin

MEDIUM 49CWE-266Published 2026-10-06 · Updated 2026-10-06

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

The eLightUp Meta Box AIO plugin for WordPress through 3.7.1 assigns privileges incorrectly (CWE-266), so access rights can be elevated. An unauthenticated remote attacker can exploit this without user interaction to gain elevated privileges. The CVSS 3.1 base score is 9.8 (critical).

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Unauthenticated Privilege Escalation in Meta Box AIO <= 3.7.1 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00437 38th 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: Yes
Technical impact: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
eLightUp	Meta Box AIO	up to 3.7.1	—	No fix listed	CNA

Meta Box AIO VendoreLightUp Affected up to 3.7.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Meta Box AIO.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-06 Threatist record created from CVE-2026-39761
2026-10-06 Alias added: GHSA-4v6j-5867-cj5q
2026-10-06 CISA SSVC decision points changed

References

Other 1

https://patchstack.com/database/wordpress/plugin/meta-box-aio/vulnerability/wordpress-meta-box-aio-plugin-3-7-1-privilege-escalation-vulnerability?_s_id=cve

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
TI-2026-86626 Stored cross-site scripting in Meta Box WordPress plugin CVSS 3.1MEDIUM 6.5

See all 7 →

Sources

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