CVE-2025-23846
Published: 22 January 2025
Summary
CVE-2025-23846 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 42.7th 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 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Filters malicious reflected input from web page output to prevent script injection in the Flexible Blogtitle WordPress plugin.
Validates untrusted inputs from network-accessible URLs to block XSS payloads before processing in the plugin.
Remediates the specific reflected XSS flaw by patching the vulnerable Flexible Blogtitle plugin versions <= 0.1.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS in public-facing WordPress plugin directly enables T1190 for exploitation of the web app vulnerability via crafted URL; facilitates T1185 by allowing script injection to hijack user browser sessions.
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in thaikolja Flexible Blogtitle flexible-blogtitle allows Reflected XSS.This issue affects Flexible Blogtitle: from n/a through <= 0.1.
Deeper analysisAI
CVE-2025-23846 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, affecting the thaikolja Flexible Blogtitle WordPress plugin. This issue impacts all versions from n/a through 0.1 inclusive. Published on 2025-01-22T15:15:24.570, it 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).
Unauthenticated attackers accessible over the network can exploit this vulnerability with low attack complexity, though it requires user interaction, such as visiting a maliciously crafted URL. Successful exploitation enables reflected XSS, where attacker-controlled input is reflected unsafely in the web page, allowing script injection. The changed scope (S:C) permits impacts extending beyond the vulnerable component, resulting in low confidentiality, integrity, and availability effects for affected users.
Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/flexible-blogtitle/vulnerability/wordpress-flexible-blogtitle-plugin-0-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.
Details
- CWE(s)