CVE-2024-8291
Cross site scripting in Concrete CMS
4.8
MEDIUM
CVSS 3.1
EPSS 0.34%
Description
Concrete CMS versions 9.0.0 to 9.3.3 and below 8.5.19 are vulnerable to Stored XSS in Image Editor Background Color. A rogue admin could add malicious code to the Thumbnails/Add-Type.
How to fix CVE-2024-8291
To remediate CVE-2024-8291, upgrade the affected package to a fixed version below.
- Packagist/concrete5/concrete5—upgrade to 9.3.4 or later
Is CVE-2024-8291 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 9.0.0, < 9.3.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |