Skip to content

Stored cross site scripting in RSS displayer

Low severity GitHub Reviewed Published Apr 28, 2023 to the GitHub Advisory Database • Updated Nov 7, 2023

Package

composer concrete5/concrete5 (Composer)

Affected versions

< 9.1.0

Patched versions

9.1.0

Description

Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.

References

Published by the National Vulnerability Database Apr 28, 2023
Published to the GitHub Advisory Database Apr 28, 2023
Reviewed May 1, 2023
Last updated Nov 7, 2023

Severity

Low
2.0
/ 10

CVSS base metrics

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

Weaknesses

CVE ID

CVE-2023-28820

GHSA ID

GHSA-fgxj-g7x3-85cq

Source code

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.