CVE-2024-8291

MEDIUM

Concrete CMS <9.3.3 & <8.5.19 - Stored XSS

Title source: llm
STIX 2.1

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. The Concrete CMS Security Team gave this a CVSS v4 score of 5.1 with vector https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N 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. Thanks,  Alexey Solovyev for reporting. (CNA updated this risk rank on 17 Jan 2025 by lowering the AC based on CVSS 4.0 documentation that access privileges should not be considered for AC).

Scores

CVSS v3 4.8
EPSS 0.0034
EPSS Percentile 56.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-22 CWE-79
Status published
Products (2)
concrete5/concrete5 9.0.0 - 9.3.4Packagist
concretecms/concrete_cms 9.0.0 - 9.3.3
Published Sep 25, 2024
Tracked Since Feb 18, 2026