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

published 2023-04-12 3 y ago modified 2026-06-17 4 mo ago also GHSA-f4v8-58f6-mwj4 , EUVD-2023-1278

cvss: 10.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 76.2%; EPSS 76.2% chance of exploitation in 30 days, percentile 99.5%
public exploits: 0; none known

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.

Patch / fix

fixed in 2 links 2

maven org.xwiki.platform:xwiki-platform-flamingo-theme-ui 13.10.11, 14.4.7, 14.10
xwiki xwiki 13.10.11, 14.4.7

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 21 mo ago (2025-02-06)

Exploit prediction

76.18% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

jira.xwiki.org https://jira.xwiki.org/browse/XWIKI-20279 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	10.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	9.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	org.xwiki.platform:xwiki-platform-flamingo-theme-ui	>=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

Affected products

xwiki xwiki-platform

Classification

Weakness

CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code
CWE-94 Improper Control of Generation of Code

References

github.com /xwiki/xwiki-platform/commit/80d5be36f700adcd56b6c8eb3ed8b973f62ec0ae
web, patch
github.com /xwiki/xwiki-platform/security/advisories/GHSA-f4v8-58f6-mwj4
web, patch, vendor-advisory
jira.xwiki.org /browse/XWIKI-20279
web, exploit, issue-tracking, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2023-29509
advisory
github.com /xwiki/xwiki-platform
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary