CVE-2026-22209
Plain English Summary
AI-powered analysis for quick understanding
This vulnerability allows an attacker with admin access to inject harmful scripts into the website's custom CSS settings, which can then run arbitrary JavaScript in the browsers of users visiting the site. This means that if an attacker can log in as an admin, they can potentially execute malicious actions on users' devices.
Technical Description
wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like </style><script>alert(1)</script> in the custom CSS setting to execute arbitrary JavaScript in user browsers.
CVSS Vector Analysis
Vector String
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XExploit Resources
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Official References
Quick Information
Published
Mar 13, 2026
25 days ago
Last Modified
Mar 17, 2026
21 days ago
Vendor
gvectors
Product
wpdiscuz
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