CVE-2025-23769
Published: 22 January 2025
Summary
CVE-2025-23769 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 46.2th 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-2025-23769 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the Content Mirror WordPress plugin by dreamsofmatter. This issue affects Content Mirror versions from n/a through 1.2 inclusive, as published on 2025-01-22.
The vulnerability has 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 it is exploitable over the network with low attack complexity, no required privileges, and user interaction. Remote attackers can exploit it by crafting malicious inputs that are reflected unsanitized in web page generation, tricking authenticated users into triggering the XSS via phishing links or similar vectors, potentially executing arbitrary scripts in the victim's browser session with low impacts on confidentiality, integrity, and availability but changed scope.
The Patchstack advisory (https://patchstack.com/database/Wordpress/Plugin/content-mirror/vulnerability/wordpress-content-mirror-plugin-1-2-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve) documents the Reflected XSS vulnerability in Content Mirror plugin version 1.2 for WordPress.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-3403
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in dreamsofmatter Content Mirror content-mirror allows Reflected XSS.This issue affects Content Mirror: from n/a through <= 1.2.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS in public-facing WordPress plugin directly enables exploitation of public-facing applications (T1190) via crafted malicious inputs and facilitates arbitrary JavaScript execution in the victim's browser (T1059.007) through unsanitized reflection, often via phishing links.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
SI-10 mandates validation of all information inputs, directly preventing the improper neutralization of malicious inputs that enables reflected XSS in the Content Mirror plugin.
SI-15 requires filtering of information outputs to remove malicious content like XSS scripts, comprehensively blocking reflected payloads from executing in victims' browsers.
SI-2 ensures timely flaw remediation, such as patching the Content Mirror plugin versions up to 1.2 affected by this XSS vulnerability.