CVE-2026-22209

MEDIUM EPSS 12.7%
Published Mar 13, 20263mo ago · Modified Mar 26, 20263mo ago
5.1 CVSS 4.0
Medium
Find Similar
Published Mar 13, 2026 3mo ago
Last Modified Mar 26, 2026 3mo ago

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 Details

Base Score
5.1
Exploitability
—
Impact
—
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:X
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
12.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
gvectorswpdiscuz* <7.6.47

References 3

  • wordpress.org https://wordpress.org/plugins/wpdiscuz/
  • wordpress.org https://wordpress.org/plugins/wpdiscuz/#developers
  • vulncheck.com https://www.vulncheck.com/advisories/wpdiscuz-before-cross-site-scripting-via-unescaped-custom-css-in-style-tag

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.