CVE-2025-39423
WordPress Add to Header plugin <= 1.0 - CSRF to XSS vulnerability
Cross-Site Request Forgery (CSRF) vulnerability in Jenst Add to Header add-to-header allows Stored XSS.This issue affects Add to Header: from n/a through <= 1.0.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
WordPress Add to Header plugin <= 1.0 - CSRF to XSS vulnerability
Cross-Site Request Forgery (CSRF) vulnerability in Jenst Add to Header add-to-header allows Stored XSS.This issue affects Add to Header: from n/a through <= 1.0.
- Record
CVE-2025-39423- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2025-11565
Cross-Site Request Forgery (CSRF) vulnerability in Jenst Add to Header add-to-header allows Stored XSS.This issue affects Add to Header: from n/a through <= 1.0.
- Record
EUVD-2025-11565- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-33mx-vpmc-fg9c
Cross-Site Request Forgery (CSRF) vulnerability in Jenst Add to Header allows Stored XSS. This...
Cross-Site Request Forgery (CSRF) vulnerability in Jenst Add to Header allows Stored XSS. This issue affects Add to Header: from n/a through 1.0.
- Record
GHSA-33mx-vpmc-fg9c- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-352
- Updated
- 2026-11-02
NVD
Cross-Site Request Forgery (CSRF) vulnerability in Jenst Add to Header add-to-header allows Stored XSS.This issue affects Add to Header: from n/a through <= 1.0.
- Record
CVE-2025-39423- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-39423 is a high vulnerability (CVSS 7.1) in Jenst Add To Header, published April 17, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.
References
patchstack.com/database/Wordpress/Plugin/add-to-header/vulnerability/wordpress-add-to-header-plugin-1-0-csrf-to-xss-vulnerability?_s_id=cve
nvd.nist.gov/vuln/detail/CVE-2025-39423
github.com/advisories/GHSA-33mx-vpmc-fg9c