CVE-2025-23441
Published: 03 March 2025
Summary
CVE-2025-23441 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 Spearphishing Link (T1566.002); ranked at the 45.9th 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
SI-10 directly prevents the reflected XSS in Attach Gallery Posts by enforcing validation of untrusted inputs to neutralize malicious scripts before web page generation.
SI-15 comprehensively mitigates the CVE by filtering plugin outputs with proper encoding, blocking arbitrary script execution in victims' browsers.
SI-2 addresses the root cause by requiring timely remediation and patching of the vulnerable Attach Gallery Posts plugin versions through 1.6.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS enables exploitation via crafted malicious links sent to victims (spearphishing) that trigger arbitrary browser script execution, which can directly facilitate stealing web session cookies for session hijacking.
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in dkukral Attach Gallery Posts attach-gallery-posts allows Reflected XSS.This issue affects Attach Gallery Posts: from n/a through <= 1.6.
Deeper analysisAI
CVE-2025-23441 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the Attach Gallery Posts WordPress plugin by dkukral. This issue affects all versions of the plugin from n/a through 1.6 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), meaning it is exploitable remotely over the network with low complexity, no required privileges, but necessitating user interaction such as clicking a malicious link. Attackers can leverage this to inject and execute arbitrary scripts in the context of a victim's browser, potentially leading to low-level impacts on confidentiality, integrity, and availability with a changed security scope.
Patchstack's advisory at https://patchstack.com/database/Wordpress/Plugin/attach-gallery-posts/vulnerability/wordpress-attach-gallery-posts-plugin-1-6-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve provides details on the vulnerability in the Attach Gallery Posts plugin version 1.6, including information relevant to mitigation strategies for affected WordPress installations.
Details
- CWE(s)