WordPress WP Post Signature plugin <= 0.4.1 - Cross Site Scripting (XSS) vulnerability

published 2025-12-31 10 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-205964

cvss: 5.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Soli WP Post Signature wp-post-signature allows Stored XSS.This issue affects WP Post Signature: from n/a through <= 0.4.1.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 10 mo ago (2025-12-31)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Affected products

Soli WP Post Signature

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/wp-post-signature/vulnerability/wordpress-wp-post-signature-plugin-0-4-1-cross-site
vdb-entry

Sources

CVE List CVE-2025-62124
NVD CVE-2025-62124

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary