CVE-2025-25144
Published: 07 February 2025
Summary
CVE-2025-25144 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 39.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).
Deeper analysis
CVE-2025-25144 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Stored Cross-site Scripting (XSS) under CWE-79, affecting the Theasys WordPress plugin in versions from n/a through 1.0.1.
Unauthenticated attackers with network access can exploit this vulnerability with low attack complexity by tricking users into interacting, such as through a CSRF vector leading to stored XSS. Successful exploitation changes scope and results in low impacts to confidentiality, integrity, and availability, earning a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L).
The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/theasys/vulnerability/wordpress-theasys-plugin-1-0-1-csrf-to-stored-xss-vulnerability?_s_id=cve provides details on the CSRF-to-Stored XSS issue in Theasys plugin version 1.0.1.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-4054
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in theasys Theasys theasys allows Stored XSS.This issue affects Theasys: from n/a through <= 1.0.1.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Stored XSS vulnerability in public-facing WordPress plugin directly enables exploitation of public-facing applications (T1190) and facilitates drive-by compromise through injected client-side scripts affecting visitors (T1189).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
SI-10 directly enforces validation of inputs to the Theasys plugin, preventing the storage of malicious XSS payloads from unauthenticated CSRF attacks.
SI-15 requires filtering of outputs when rendering stored content from the Theasys plugin, neutralizing XSS scripts before execution in users' browsers.
SI-2 mandates timely remediation of the specific stored XSS flaw in Theasys plugin versions through n/a to <=1.0.1, eliminating the vulnerability at its root.