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xwiki/xwiki-platform · Security

Cross-site Scripting in the Flamingo theme manager

GHSA ID
GHSA-vmhh-xh3g-j992
CVE ID
CVE-2022-29251
Severity
high
Published
Updated
CVSS
7.4 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CVSS v3
7.4 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

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:

CWEs

  • CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • CWE-80 · Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
  • CWE-116 · Improper Encoding or Escaping of Output

References

Open GitHub