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Fencer Intel
critical 9.1

CVE-2024-43400 json

XWiki Platform allows XSS through XClass name in string properties

published 2y ago modified 4mo ago also EUVD-2024-2676 , GHSA-wcg9-pgqv-xm5v

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It is possible for a user without Script or Programming rights to craft a URL pointing to a page with arbitrary JavaScript. This requires social engineer to trick a user to follow the URL. This has been patched in XWiki 14.10.21, 15.5.5, 15.10.6 and 16.0.0.

Patch / fix

  • maven org.xwiki.platform:xwiki-platform-oldcore 14.10.21, 15.5.5, 15.10.6, 16.0.0
  • xwiki xwiki-platform 14.10.21, 15.5.5, 15.10.2

Is CVE-2024-43400 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2y ago

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
GitHub 3.1 9.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
maven org.xwiki.platform:xwiki-platform-oldcore
>=1.1.2, <14.10.21
>=15.0-rc-1, <15.5.5
>=15.6-rc-1, <15.10.6
>=16.0.0-rc-1, <16.0.0
14.10.21
15.5.5
15.10.6
16.0.0

Affected products

  • xwiki xwiki-platform

Classification

Weakness
  • CWE-96 Improper Neutralization of Directives in Statically Saved Code
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel 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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.