TI-2023-05867 Aliases CVE-2023-6391 GHSA-7fpg-4q3m-78rq

Custom User CSS <= 0.2 - Settings Update via CSRF

HIGH 73CWE-352Published 2024-01-29 · Updated 2025-05-29

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-352.

Summary

The Custom User CSS WordPress plugin through 0.2 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00349 28th percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
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
Unknown	Custom User CSS	up to 0.2	—	No fix listed	CNA

Custom User CSS VendorUnknown Affected up to 0.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jeremiahorem:custom_user_css:::::::wordpress:*	up to 0.2	Vulnerable	Jeremiahorem

cpe:2.3:a:jeremiahorem:custom_user_css:*:*:*:*:*:*:wordpress:* Versions up to 0.2 Vulnerable ·Jeremiahorem

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-6391
2026-10-03 Alias added: GHSA-7fpg-4q3m-78rq

References

Exploit 2

Sources

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