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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Gvectors Wpdiscuz
cpe:2.3:a:gvectors:wpdiscuz:*:*:*:*:*:wordpress:*:*
|
— |
7.6.47
|
References 5
https://wordpress.org/plugins/wpdiscuz/
disclosure@vulncheck.com
https://wordpress.org/plugins/wpdiscuz/#developers
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/wpdiscuz-before-cross-site-scripting-via-u…
disclosure@vulncheck.com
https://github.com/themactep/thingino-firmware/releases/tag/firmware-2026-03-15
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/thingino-firmware-api-cgi-unauthenticated-…
disclosure@vulncheck.com