SARA / Free Tools / CVE / CVE-2023-27479

CVE-2023-27479 — XWiki Platform is a generic wiki platform offering runtime services for applicat

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions any user with view rights can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause

CVSS
10.0 CRITICAL
EPSS
14.86% (top 5.60%)
CWE
CWE-74
Published
2023-03-07T18:09:18.005Z
Last modified
2025-02-25T15:00:36.796Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

01What is this vulnerability?

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions any user with view rights 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 UIX parameters. A proof of concept exploit is to log in, add an `XWiki.UIExtensionClass`…

02Affected products

VendorProductVersions
xwikixwikiplatform — >= 6.3-milestone-2, < 13.10.11, >= 14.0.0, < 14.4.7, >= 14.5.0, < 14.10-rc-1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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