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Fencer Vulns
medium 5.4

CVE-2023-29506 json

org.xwiki.platform:xwiki-platform-security-authentication-default XSS with authenticated endpoints

published 2023-04-12 3 y ago modified 2026-06-17 4 mo ago also GHSA-jjm5-5v9v-7hx2 , EUVD-2023-1341

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known, plus a Nuclei check

Summary

XWiki Commons are technical libraries common to several other top level XWiki projects. It was possible to inject some code using the URL of authenticated endpoints. This problem has been patched on XWiki 13.10.11, 14.4.7 and 14.10.

Patch / fix

  • maven org.xwiki.platform:xwiki-platform-security-authentication-default 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
partial
Assessed
21 mo ago

Exploit prediction

1.72% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template XWiki >= 13.10.8 - Cross-Site Scripting nuclei detection template
  • github.com https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-jjm5-5v9v-7hx2 referenced PoC, tagged "exploit" by a source, unverified
  • jira.xwiki.org https://jira.xwiki.org/browse/XWIKI-20335 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
maven org.xwiki.platform:xwiki-platform-security-authentication-default
>=13.10.8, <13.10.11
>=14.4.3, <14.4.7
>=14.6, <14.10
13.10.11
14.4.7
14.10

Affected products

  • xwiki xwiki-platform

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

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.