CVE Details
Basic Information
| Title | Concrete CMS 9 through 9.4.2 and below 8.5.21 is vulnerable to Reflected Cross-Site Scripting (XSS) in Conversation Messages Dashboard Page |
|---|---|
| Type | cve |
| Published | 2025-08-05T22:37:14.759Z |
| Modified | 2025-08-05T22:37:14.759Z |
Product Information
| Vendor | Concrete CMS |
|---|---|
| Product | Concrete CMS |
| Version | 9.0.0 |
CVSS Information
| Base Score | 4.8 (MEDIUM) |
|---|---|
| Attack Vector | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
Affected Products
- Concrete CMS Concrete CMS 9.0.0
- Concrete CMS Concrete CMS 5.6
Additional Information
| CWE List | CWE-20 |
|---|---|
| Source | ConcreteCMS |
Description
Concrete CMS 9 to 9.4.2 and versions below 8.5.21 are vulnerable to Reflected Cross-Site Scripting (XSS) in the Conversation Messages Dashboard Page. Unsanitized input could cause theft of session cookies or tokens, defacement of web content, redirection to malicious sites, and (if victim is an admin), the execution of unauthorized actions. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Fortbridge https://fortbridge.co.uk/ for performing a penetration test and vulnerability assessment on Concrete CMS and reporting this issue.