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Concrete CMS Cross-site Scripting via Survey Blocks

Moderate severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Aug 3, 2023

Package

composer concrete5/concrete5 (Composer)

Affected versions

< 8.5.5

Patched versions

8.5.5

Description

Concrete CMS (formerly concrete5) before 8.5.5 allows remote authenticated users to conduct Cross-site Scripting (XSS) attacks via a crafted survey block. This requires at least Editor privileges.

References

Published by the National Vulnerability Database Mar 18, 2021
Published to the GitHub Advisory Database May 24, 2022
Reviewed Jul 10, 2023
Last updated Aug 3, 2023

Severity

Moderate
5.4
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses

CVE ID

CVE-2021-28145

GHSA ID

GHSA-7388-7vq2-m4f4

Source code

No known source code
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