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TI-2024-14376 Aliases CVE-2024-21651GHSA-8959-rfxh-r4j4

XWiki Denial of Service attack through attachments

Priority MEDIUM 40CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. A user able to attach a file to a page can post a malformed TAR file by manipulating file modification times headers, which when parsed by Tika, could cause a denial of service issue via CPU consumption. This vulnerability has been patched in XWiki 14.10.18, 15.5.3 and 15.8 RC1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00636 50th percentileScored 2026-11-07
Fix Fixed xwiki-platform (xwiki): 14.10.18, 15.5.3, 15.8-rc-1org.xwiki.platform:xwiki-platform-distribution-war (Maven): 14.10.18, 15.5.3, 15.8-rc-1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
XWikixwiki-platform14.10 to before 14.10.18; 15.0-rc-1 to before 15.5.3; 15.6-rc-1 to before 15.8-rc-114.10.18, 15.5.3, 15.8-rc-1Patch availableCNA
—org.xwiki.platform:xwiki-platform-distribution-war (Maven)14.10 to before 14.10.1814.10.18Patch availableGHSA-8959-rfxh-r4j4
—org.xwiki.platform:xwiki-platform-distribution-war (Maven)15.0-rc-1 to before 15.5.315.5.3Patch availableGHSA-8959-rfxh-r4j4
—org.xwiki.platform:xwiki-platform-distribution-war (Maven)15.6-rc-1 to before 15.8-rc-115.8-rc-1Patch availableGHSA-8959-rfxh-r4j4
  • xwiki-platform VendorXWiki Affected 14.10 to before 14.10.18; 15.0-rc-1 to before 15.5.3; 15.6-rc-1 to before 15.8-rc-1 Fixed in 14.10.18, 15.5.3, 15.8-rc-1 Patch available CNA
  • org.xwiki.platform:xwiki-platform-distribution-war (Maven) Vendor— Affected 14.10 to before 14.10.18 Fixed in 14.10.18 Patch available GHSA-8959-rfxh-r4j4
  • org.xwiki.platform:xwiki-platform-distribution-war (Maven) Vendor— Affected 15.0-rc-1 to before 15.5.3 Fixed in 15.5.3 Patch available GHSA-8959-rfxh-r4j4
  • org.xwiki.platform:xwiki-platform-distribution-war (Maven) Vendor— Affected 15.6-rc-1 to before 15.8-rc-1 Fixed in 15.8-rc-1 Patch available GHSA-8959-rfxh-r4j4

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*14.10 to before 14.10.18; 15.5 to before 15.5.3; 15.6 to before 15.8VulnerableXWiki
  • cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:* Versions 14.10 to before 14.10.18; 15.5 to before 15.5.3; 15.6 to before 15.8 Vulnerable ·XWiki

Remediation

  • Fix · CNA xwiki-platform (xwiki) Fixed in 14.10.18, 15.5.3, 15.8-rc-1
  • Fix · GHSA-8959-rfxh-r4j4 org.xwiki.platform:xwiki-platform-distribution-war (Maven) Fixed in 14.10.18 Advisory →
  • Fix · GHSA-8959-rfxh-r4j4 org.xwiki.platform:xwiki-platform-distribution-war (Maven) Fixed in 15.5.3 Advisory →
  • Fix · GHSA-8959-rfxh-r4j4 org.xwiki.platform:xwiki-platform-distribution-war (Maven) Fixed in 15.8-rc-1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-21651
  2. 2026-10-03 Alias added: GHSA-8959-rfxh-r4j4
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

References

  • TI-2025-18595 Remote code execution as guest via SolrSearchMacros request in xwiki KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-25214 Remote code execution through the section parameter in Administration as guest in XWiki Platform CVSS 3.1CRITICAL 10.0
  • TI-2025-23500 XWiki Platform vulnerable to SQL injection through getdeleteddocuments.vm template sort parameter CVSS 4.0CRITICAL 9.3
  • TI-2025-23979 org.xwiki.platform:xwiki-platform-rest-server allows SQL injection in query endpoint of REST API CVSS 4.0CRITICAL 9.3
  • TI-2024-20829 XWiki Platform: Remote code execution from account via SearchSuggestSourceSheet CVSS 3.1CRITICAL 10.0
  • TI-2024-14375 XWiki Remote Code Execution vulnerability via user registration CVSS 3.1CRITICAL 10.0
See all 247 →

Sources