CVE-2025-25123
Published: 07 February 2025
Summary
CVE-2025-25123 is a high-severity CSRF (CWE-352) 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 21.7th 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 SC-23 (Session Authenticity) and SI-10 (Information Input Validation).
Deeper analysis
CVE-2025-25123 is a Cross-Site Request Forgery (CSRF) vulnerability in the xdark Easy Related Posts (easy-related-posts) WordPress plugin that allows Stored XSS. This issue affects the plugin from unknown initial versions through version 2.0.2 inclusive.
The vulnerability carries 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), indicating network accessibility, low attack complexity, no required privileges, and user interaction. Unauthenticated attackers can exploit it by tricking authenticated users into submitting malicious requests, enabling the storage of XSS payloads that execute in the context of changed scope, with low impacts to confidentiality, integrity, and availability.
Patchstack's advisory at https://patchstack.com/database/Wordpress/Plugin/easy-related-posts/vulnerability/wordpress-easy-related-posts-plugin-2-0-2-csrf-to-stored-xss-vulnerability?_s_id=cve documents the CSRF to Stored XSS vulnerability specifically in Easy Related Posts version 2.0.2.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-4043
Vulnerability details
Cross-Site Request Forgery (CSRF) vulnerability in xdark Easy Related Posts easy-related-posts allows Stored XSS.This issue affects Easy Related Posts: from n/a through <= 2.0.2.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The CSRF to Stored XSS vulnerability in a public-facing WordPress plugin directly enables exploitation of the application over the network (T1190) and facilitates arbitrary JavaScript execution in the victim's browser context via the stored XSS payload (T1059.007).
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Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
SC-23 enforces session authenticity mechanisms like anti-CSRF tokens, directly preventing unauthenticated attackers from forging requests to store XSS payloads in the WordPress plugin.
SI-10 requires validation of information inputs, blocking malicious XSS payloads from being stored via CSRF-submitted requests in the vulnerable plugin.
SI-15 mandates output filtering, preventing execution of any stored XSS payloads originating from the CSRF vulnerability when content is rendered.