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CVE-2022-29251

Cross-site Scripting in the Flamingo theme manager

7.4 HighFix available

XWiki Platform Flamingo Theme UI is a tool that allows customization and preview of any Flamingo-based skin. Starting with versions 6.2.4 and 6.3-rc-1, a possible cross-site scripting vector is present in the FlamingoThemesCode.WebHomeSheet wiki page related to the "newThemeName" form field. The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3. The easiest available workaround is to edit the wiki page FlamingoThemesCode.WebHomeSheet (with wiki editor) according to the suggestion provided in the GitHub Security Advisory.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

1.34%Up 0.4 points since May 26, 2022
90%50%10%1%

What each source reports

CVE List Score used 7.4

Cross-site Scripting in the Flamingo theme manager

XWiki Platform Flamingo Theme UI is a tool that allows customization and preview of any Flamingo-based skin. Starting with versions 6.2.4 and 6.3-rc-1, a possible cross-site scripting vector is present in the FlamingoThemesCode.WebHomeSheet wiki page related to the "newThemeName" form field. The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3. The easiest available workaround is to edit the wiki page FlamingoThemesCode.WebHomeSheet (with wiki editor) according to the suggestion provided in the GitHub Security Advisory.

Record
CVE-2022-29251
CVSS 3.1
7.4 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Weakness
CWE-80, CWE-116
Updated
2026-11-02
EUVDEUVD-2022-5383 7.4

XWiki Platform Flamingo Theme UI is a tool that allows customization and preview of any Flamingo-based skin. Starting with versions 6.2.4 and 6.3-rc-1, a possible cross-site scripting vector is present in the FlamingoThemesCode.WebHomeSheet wiki page related to the "newThemeName" form field. The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3. The easiest available workaround is to edit the wiki page FlamingoThemesCode.WebHomeSheet (with wiki editor) according to the suggestion provided in the GitHub Security Advisory.

Record
EUVD-2022-5383
CVSS 3.1
7.4 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-vmhh-xh3g-j992 7.4

Cross-site Scripting in the Flamingo theme manager

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:

  • Open an issue in Jira XWiki
  • Email us at security mailing list
Record
GHSA-vmhh-xh3g-j992
CVSS 3.1
7.4 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Weakness
CWE-79, CWE-80, CWE-116
Updated
2026-11-02
NVD 7.4

XWiki Platform Flamingo Theme UI is a tool that allows customization and preview of any Flamingo-based skin. Starting with versions 6.2.4 and 6.3-rc-1, a possible cross-site scripting vector is present in the FlamingoThemesCode.WebHomeSheet wiki page related to the "newThemeName" form field. The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3. The easiest available workaround is to edit the wiki page FlamingoThemesCode.WebHomeSheet (with wiki editor) according to the suggestion provided in the GitHub Security Advisory.

Record
CVE-2022-29251
CVSS 3.1
7.4 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-80, CWE-116, CWE-79
Updated
2026-11-02
OSV 7.4

Cross-site Scripting in the Flamingo theme manager

XWiki Platform Flamingo Theme UI is a tool that allows customization and preview of any Flamingo-based skin. Starting with versions 6.2.4 and 6.3-rc-1, a possible cross-site scripting vector is present in the FlamingoThemesCode.WebHomeSheet wiki page related to the "newThemeName" form field. The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3. The easiest available workaround is to edit the wiki page FlamingoThemesCode.WebHomeSheet (with wiki editor) according to the suggestion provided in the GitHub Security Advisory.

Record
CVE-2022-29251
CVSS 3.1
7.4 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Weakness
CWE-116, CWE-80
Updated
2026-11-02
OSVGHSA-vmhh-xh3g-j992 7.4

Cross-site Scripting in the Flamingo theme manager

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:

  • Open an issue in Jira XWiki
  • Email us at security mailing list
Record
GHSA-vmhh-xh3g-j992
CVSS 3.1
7.4 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Weakness
CWE-116, CWE-79, CWE-80
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.xwiki.platform:xwiki-platform-flamingo-theme-ui
Maven
 before 12.10.11
12.10.11
org.xwiki.platform:xwiki-platform-flamingo-theme-ui
Maven
 13.0.0 up to 13.4.7
13.4.7
org.xwiki.platform:xwiki-platform-flamingo-theme-ui
Maven
 13.5.0 up to 13.10.3
13.10.3

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-29251 is a high vulnerability (CVSS 7.4) in Xwiki, published May 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.34%, the 71st percentile. Fixed in org.xwiki.platform:xwiki-platform-flamingo-theme-ui 12.10.11.

References

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