CVE-2023-29509
HighPublic exploitorg.xwiki.platform:xwiki-platform-flamingo-theme-ui Eval Injection vulnerability
Published Apr 12, 2023 · Updated Aug 12, 2026 · Also known as GHSA-f4v8-58f6-mwj4
Key Facts
Patch immediately- CVE-2023-29509 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Xwiki, org.xwiki.platform:xwiki-platform-flamingo-theme-ui (maven), xwiki-platform.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 76% probability of exploitation in the next 30 days.
- Fixed versions are available, including org.xwiki.platform:xwiki-platform-flamingo-theme-ui 13.10.11, org.xwiki.platform:xwiki-platform-flamingo-theme-ui 14.10, org.xwiki.platform:xwiki-platform-flamingo-theme-ui 14.4.7.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
76%
Higher than 99.5% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-29509 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
XWiki Commons are technical libraries common to several other top level XWiki projects. Any user with view rights on commonly accessible documents can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the documentTree macro parameters in This macro is installed by default in FlamingoThemesCode.WebHome. This page is installed by default. The vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| XwikiXwiki | 14.10-rc1 | 13.10.11 |
| org.xwiki.platform:xwiki-platform-flamingo-theme-uimaven | >= 7.2-rc-1 | 14.10 |
| xwiki-platform | >= >= 7.2-rc-1, < 13.10.11 | n/a |
Patched Releases
org.xwiki.platform:xwiki-platform-flamingo-theme-ui
13.10.11, 14.10, 14.4.7
Xwiki
13.10.11
Timeline
Publicly disclosed
Apr 12, 2023
Last updated
Aug 12, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
- CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
References
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29509.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-29509
- patchhttps://github.com/xwiki/xwiki-platform/commit/80d5be36f700adcd56b6c8eb3ed8b973f62ec0ae
- patchhttps://github.com/xwiki/xwiki-platform/security/advisories/GHSA-f4v8-58f6-mwj4
FAQ
Common Questions.
XWiki Commons are technical libraries common to several other top level XWiki projects.
Affected: Xwiki versions 14.10-rc1; org.xwiki.platform:xwiki-platform-flamingo-theme-ui (maven) versions >= 7.2-rc-1; xwiki-platform versions >= >= 7.2-rc-1, < 13.10.11. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including org.xwiki.platform:xwiki-platform-flamingo-theme-ui 13.10.11, org.xwiki.platform:xwiki-platform-flamingo-theme-ui 14.10, org.xwiki.platform:xwiki-platform-flamingo-theme-ui 14.4.7.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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