Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ruudkok WP Twitter Button allows Stored XSS. This issue affects WP Twitter Button: from n/a through 1.4.1.

Classification

CVE ID: CVE-2025-39420

CVSS Base Severity: HIGH

CVSS Base Score: 7.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected Products

Vendor: ruudkok

Product: WP Twitter Button

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 7.72% (scored less or equal to compared to others)

EPSS Date: 2025-04-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-39420
https://patchstack.com/database/wordpress/plugin/wp-twitter-button/vulnerability/wordpress-wp-twitter-button-plugin-1-4-1-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Timeline