CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
What the vulnerability does
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Razvan Stanga Varnish/Nginx Proxy Caching vcaching allows Stored XSS.This issue affects Varnish/Nginx Proxy Caching: from n/a through <= 1.8.3.
Explanation of Vulnerability in Simple Terms
A cross-site scripting (XSS) vulnerability exists in Varnish/Nginx Proxy Caching versions up to 1.8.3. An authenticated administrator with high privileges can inject malicious scripts that execute in other users' browsers when they visit affected pages. The vulnerability requires user interaction and can affect the confidentiality, integrity, and availability of the site.
What an attacker can do
Inject malicious scripts that execute in other users' browsers, potentially stealing data or modifying page content.
Potential impact on your site
Administrators with high privileges could compromise other users' sessions or data; requires immediate access control review.
Conditions required to exploit
Attacker must have high-level administrative privileges and the victim must visit a page containing the injected script.
Key dates
External resources
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