Critical

org.xwiki.platform:xwiki-platform-flamingo-theme-ui Eval Injection vulnerability

  • Disclosed: 03.03.2023
  • Updated: 11.10.2026 13:19

Impact

It's possible to inject arbitrary wiki syntax including Groovy, Python and Velocity script macros via the newThemeName request parameter (URL parameter), in combination with additional parameters form_token=1&action=create.

For instance: http://127.0.0.1:8080/xwiki/bin/view/FlamingoThemesCode/WebHomeSheet?newThemeName=foo%22%2F%7D%7D%7B%7Basync%20async%3D%22true%22%20cached%3D%22false%22%20context%3D%22doc.reference%22%7D%7D%7B%7Bgroovy%7D%7Dprintln(%22hello%20from%20groovy!%22)%7B%7B%2Fgroovy%7D%7D%7B%7B%2Fasync%7D%7D&form_token=1&action=create will execute the following groovy code: println("hello from groovy!") on the server.

Patches

This has been patched in the supported versions 13.10.10, 14.9-rc-1, and 14.4.6.

Workarounds

It is possible to edit FlamingoThemesCode.WebHomeSheet and manually perform the changes from the patch fixing the issue.

References

For more information

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Affected software

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PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.xwiki.platform:xwiki-platform-flamingo-theme-ui >= 6.2.4, < 13.10.10, >= 14.0, < 14.4.6, >= 14.5, < 14.9-rc-1 13.10.10, 14.4.6, 14.9-rc-1

References

CVSS score 10/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-94, CWE-95
Platform
Java / Kotlin (Maven)
Package
org.xwiki.platform:xwiki-platform-flamingo-theme-ui
Disclosed
03.03.2023
Updated
11.10.2026 13:19

Sources and licenses

OSV / GitHub Advisory Database - GHSA-x2qm-r4wx-8gpg - CC BY 4.0

Vulnerability history: org.xwiki.platform:xwiki-platform-flamingo-theme-ui

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
4
First → latest
05.2022 04.2023
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 3
  • High 1

Disclosures per year

  1. 2022: 1
  2. 2023: 3
  3. 2024: 0
  4. 2025: 0
  5. 2026: 0
  1. Critical · 9.9 CVE-2023-30537 >= 12.6.6, < 13.10.11, >= 14.0-rc-1, < 14.4.7, >= 14.5, < 14.10 13.10.11, 14.4.7, 14.10
  2. Critical · 9.9 CVE-2023-29509 >= 7.2-rc-1, < 13.10.11, >= 14.0-rc-1, < 14.4.7, >= 14.5, < 14.10 13.10.11, 14.4.7, 14.10
  3. org.xwiki.platform:xwiki-platform-flamingo-theme-ui Eval Injection vulnerability this entry
    Critical · 10.0 CVE-2023-26477 >= 6.2.4, < 13.10.10, >= 14.0, < 14.4.6, >= 14.5, < 14.9-rc-1 13.10.10, 14.4.6, 14.9-rc-1
  4. High · 7.4 CVE-2022-29251 < 12.10.11, >= 13.0.0, < 13.4.7, >= 13.5.0, < 13.10.3 12.10.11, 13.4.7, 13.10.3

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