EUVD-2025-17188Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Matches NVD vector; low privileges and user interaction required.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CHR Designer YouTube Simple Gallery allows Stored XSS. This issue affects YouTube Simple Gallery: from n/a through 2.2.0.
AnalysisAI
Stored cross-site scripting in YouTube Simple Gallery WordPress plugin up to version 2.2.0 allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These scripts execute when other users view the affected page, potentially leading to session hijacking or defacement. No public exploit or active exploitation has been identified.
Technical ContextAI
The vulnerability is a stored Cross-Site Scripting (XSS) in the YouTube Simple Gallery plugin for WordPress, classified under CWE-79. The plugin fails to properly neutralize user-supplied input when generating web pages, allowing malicious scripts to be stored and later executed in the context of other users' browsers. The CVSS vector indicates a network attack vector with low complexity, requiring low privileges (e.g., contributor role) and user interaction (victim must visit the page). The scope is changed, meaning the injected script can affect resources beyond the vulnerable component.
RemediationAI
Update YouTube Simple Gallery to version 2.2.1 or later, as per the vendor advisory. No workaround is available; the only fix is to upgrade. Ensure that only trusted users have contributor-level or higher access to mitigate the risk of exploitation.
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External POC / Exploit Code
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