Concrete CMS Stored XSS in blocks of type file

2024-04-0321:31:41

CWE-20

CWE-79

GitHub Advisory Database

github.com

concrete cms

stored xss

file blocks

security vulnerability

cvss v3.1

5.9 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

8.7%

JSON

Concrete CMS version 9 below 9.2.8 and previous versions below 8.5.16 is vulnerable to Stored XSS in blocks of type file. Prior to fix, stored XSS could be caused by a rogue administrator adding malicious code to the link-text field when creating a block of type file. The Concrete CMS security team gave this vulnerability a CVSS v3.1 score of 3.1 with a vector of AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator . Thanks Alexey Solovyev for reporting.

CPENameOperatorVersion
concrete5/concrete5lt8.5.16
concrete5/concrete5lt9.2.8

CPE	Name	Operator	Version
	concrete5/concrete5	lt	8.5.16
	concrete5/concrete5	lt	9.2.8

References

documentation.concretecms.org/9-x/developers/introduction/version-history/928-release-notes?_gl=1*1bcxp5s*_ga*MTc1NDc0Njk2Mi4xNzA2ODI4MDU1*_ga_HFB3HPNNLS*MTcxMjE2NjYyNi4xMy4xLjE3MTIxNjY2ODEuMC4wLjA.

documentation.concretecms.org/developers/introduction/version-history/8516-release-notes?_gl=1*1oa3zn1*_ga*MTc1NDc0Njk2Mi4xNzA2ODI4MDU1*_ga_HFB3HPNNLS*MTcxMjE2NjYyNi4xMy4xLjE3MTIxNjY3MDcuMC4wLjA.

github.com/advisories/GHSA-9qhc-pg6j-wf23

github.com/concretecms/concretecms/commit/822e689cefe1eb876e9de31dad9ce660f3b5c295

github.com/concretecms/concretecms/commit/e85ef2408a5eea7d5646178fbef0ab243baaed8f

nvd.nist.gov/vuln/detail/CVE-2024-3180