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Concrete CMS Stored XSS in blocks of type file

Low severity GitHub Reviewed Published Apr 3, 2024 to the GitHub Advisory Database • Updated Aug 8, 2024

Package

composer concrete5/concrete5 (Composer)

Affected versions

>= 9.0.0RC1, < 9.2.8
< 8.5.16

Patched versions

9.2.8
8.5.16

Description

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. 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.

References

Published by the National Vulnerability Database Apr 3, 2024
Published to the GitHub Advisory Database Apr 3, 2024
Reviewed Apr 3, 2024
Last updated Aug 8, 2024

Severity

Low

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
High
User interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L

EPSS score

0.043%
(10th percentile)

Weaknesses

CVE ID

CVE-2024-3180

GHSA ID

GHSA-9qhc-pg6j-wf23

Source code

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