CVE-2025-23671
Published: 31 January 2025
Summary
CVE-2025-23671 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 29.3th 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-2025-23671 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Stored Cross-site Scripting (XSS) under CWE-79, in the WP OpenSearch (wp-opensearch) plugin for WordPress. The issue affects the plugin from unspecified initial versions through 1.0 inclusive, as published on 2025-01-31.
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, user interaction, and changed scope with low impacts to confidentiality, integrity, and availability. Remote attackers can exploit it by injecting malicious scripts that are stored and executed in the browsers of other users viewing affected pages.
Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/wp-opensearch/vulnerability/wordpress-wp-opensearch-plugin-1-0-cross-site-scripting-xss-vulnerability?_s_id=cve.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-3330
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in sav WP OpenSearch wp-opensearch allows Stored XSS.This issue affects WP OpenSearch: from n/a through <= 1.0.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The stored XSS vulnerability in a public-facing WordPress plugin enables remote exploitation of the application to inject payloads (T1190) and execution of arbitrary JavaScript in victim browsers (T1059.007).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
SI-15 requires filtering information prior to display in web pages, directly preventing execution of stored malicious scripts injected via the WP OpenSearch plugin's XSS vulnerability.
SI-10 enforces validation of inputs to the WP OpenSearch plugin, blocking malicious script injection that leads to stored XSS.
SI-2 mandates timely remediation of flaws like the improper input neutralization in WP OpenSearch versions through 1.0, preventing exploitation via patching.