CVE-2025-22356
Published: 28 March 2025
Summary
CVE-2025-22356 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 JavaScript (T1059.007); ranked at the 36.0th 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
Directly mitigates the CVE by requiring timely identification, reporting, and patching of the reflected XSS flaw in Stencies plugin versions through 0.58.
Enforces output filtering and encoding during web page generation to neutralize injected scripts from malicious URLs in the reflected XSS attack.
Validates inputs at web entry points like URLs to reject or sanitize malicious payloads before they are reflected in page generation.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS enables arbitrary JavaScript execution in the victim's browser (T1059.007), directly facilitating browser session hijacking and data theft (T1185); exploitation typically involves delivering a crafted malicious URL via spearphishing (T1566.002).
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Stencies Stencies stencies allows Reflected XSS.This issue affects Stencies: from n/a through <= 0.58.
Deeper analysisAI
CVE-2025-22356 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, affecting the Stencies WordPress plugin. This issue impacts all versions of Stencies from n/a through 0.58 inclusive. The vulnerability was published on 2025-03-28 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 necessitates user interaction, such as visiting a maliciously crafted URL. Upon successful exploitation, adversaries can inject and execute arbitrary scripts in the victim's browser context due to the changed scope, resulting in low impacts to confidentiality, integrity, and availability, such as potential session hijacking or data theft within the site's domain.
The primary advisory from Patchstack, available at https://patchstack.com/database/Wordpress/Plugin/stencies/vulnerability/wordpress-stencies-plugin-0-58-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve, documents the Reflected XSS flaw specifically in Stencies plugin version 0.58 and provides details relevant to mitigation for affected WordPress installations.
Details
- CWE(s)