TI-2025-40606 Aliases CVE-2025-66081 GHSA-4qf5-rc23-77x7

WordPress Head Meta Data plugin <= 20250327 - Cross Site Scripting (XSS) vulnerability

LOW 26CWE-79Published 2025-11-21 · Updated 2026-04-28

Key facts

Attack vector: Network
Privileges required: High
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jeff Starr Head Meta Data head-meta-data allows Stored XSS.This issue affects Head Meta Data: from n/a through <= 20250327.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00218 12th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
specialk	Head Meta Data	up to 20250327	—	No fix listed	CNA

Head Meta Data Vendorspecialk Affected up to 20250327 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-66081
2026-10-03 Alias added: GHSA-4qf5-rc23-77x7

References

Other 1

https://patchstack.com/database/Wordpress/Plugin/head-meta-data/vulnerability/wordpress-head-meta-data-plugin-20250327-cross-site-scripting-xss-vulnerability?_s_id=cve

TI-2024-01845 Simple Ajax Chat < 20240223 - Unauthenticated Stored XSS CVSS 3.1HIGH 7.1
TI-2024-02296 Simple Ajax Chat < 20240412 - Admin+ Stored XSS CVSS 3.1MEDIUM 5.4
TI-2024-04645 User Submitted Posts < 20240516 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
TI-2019-15241 User Submitted Posts <= 20190312 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
TI-2022-10732 WordPress Simple Ajax Chat plugin <= 20220115 - Sensitive Information Disclosure vulnerability CVSS 3.1HIGH 7.5
TI-2023-24406 WordPress User Submitted Posts Plugin <= 20230902 is vulnerable to Arbitrary File Upload CVSS 3.1CRITICAL 9.8

See all 44 →

Sources

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