Vulnerability · Published Apr 3, 2024 · Assigned by ConcreteCMS

CVE-2024-2753Concrete CMS version 9 below 9.2.8 and below 8.5.16 is vulnerable to stored XSS on the calendar color settings screen

Low 2.0

In plain English

A low-severity cross-site scripting in Concrete CMS from Concrete CMS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)2.0Low
Exploit odds (30 days)0.4%top 69.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Concrete CMS version 9 before 9.2.8 and previous versions prior to 8.5.16 is vulnerable to Stored XSS on the calendar color settings screen since Information input by the user is output without escaping. A rogue administrator could inject malicious javascript into the Calendar Color Settings screen which might be executed when users visit the affected page. The Concrete CMS security team gave this vulnerability a CVSS v3.1 score of 2.0 with a vector of AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N&version=3.1 https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator   Thank you Rikuto Tauchi for reporting

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistconcrete5/concrete59.2.8GHSA-pj42-r64f-4xfq
Packagistconcrete5/concrete58.5.16GHSA-pj42-r64f-4xfq

Affected products (as reported)

VendorProductVersions
Concrete CMS Concrete CMS 9.0.0 – before 9.2.85.0.0 – before 8.5.16

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N

References