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Cross-site Scripting in the Flamingo theme manager

High severity GitHub Reviewed Published May 25, 2022 in xwiki/xwiki-platform • Updated Jan 27, 2023

Package

maven org.xwiki.platform:xwiki-platform-flamingo-theme-ui (Maven)

Affected versions

< 12.10.11
>= 13.0.0, < 13.4.7
>= 13.5.0, < 13.10.3

Patched versions

12.10.11
13.4.7
13.10.3

Description

Impact

We found a possible XSS vector in the FlamingoThemesCode.WebHomeSheet wiki page related to the "newThemeName" form field.

Patches

The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, 13.10.3.

Workarounds

The easiest workaround is to edit the wiki page FlamingoThemesCode.WebHomeSheet (with wiki editor) and change the line

<input type="hidden" name="newThemeName" id="newThemeName" value="$request.newThemeName" />

into

<input type="hidden" name="newThemeName" id="newThemeName" value="$escapetool.xml($request.newThemeName)" />

References

For more information

If you have any questions or comments about this advisory:

References

@surli surli published to xwiki/xwiki-platform May 25, 2022
Published by the National Vulnerability Database May 25, 2022
Published to the GitHub Advisory Database May 25, 2022
Reviewed May 25, 2022
Last updated Jan 27, 2023

Severity

High
7.4
/ 10

CVSS base metrics

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

Weaknesses

CVE ID

CVE-2022-29251

GHSA ID

GHSA-vmhh-xh3g-j992

Source code

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