CVE-2025-23479
Published: 03 March 2025
Summary
CVE-2025-23479 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-2025-23479 is an Improper Neutralization of Input During Web Page Generation vulnerability, enabling Reflected Cross-site Scripting (CWE-79), in the melascrivi WordPress plugin. Published on 2025-03-03, it affects melascrivi versions from n/a through 1.4 and 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).
Attackers can exploit this vulnerability remotely over the network with low attack complexity and no required privileges, though it demands user interaction such as clicking a malicious link. Exploitation changes the security scope and results in low impacts to confidentiality, integrity, and availability, typically allowing script execution in the victim's browser context.
The Patchstack advisory (https://patchstack.com/database/Wordpress/Plugin/melascrivi/vulnerability/wordpress-melascrivi-plugin-1-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve) documents the Reflected XSS issue in the melascrivi WordPress plugin version 1.4.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-5745
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in melascrivi melascrivi melascrivi allows Reflected XSS.This issue affects melascrivi: from n/a through <= 1.4.
- 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 web applications (T1190) via crafted malicious links requiring user click (T1204.001) for browser script execution.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly addresses the CVE by requiring identification, reporting, and correction of the improper input neutralization flaw in the melascrivi WordPress plugin.
Prevents reflected XSS exploitation by enforcing validation and error handling of untrusted inputs at web application entry points.
Mitigates reflected XSS by filtering and encoding information output to block injection of malicious scripts into web pages.