XWiki vulnerable to Denial of Service attack through attachments
Impact
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.
Patches
This vulnerability has been patched in XWiki 14.10.18, 15.5.3 and 15.8 RC1.
Workarounds
The workaround is to download commons-compress 1.24 and replace the one located in XWiki WEB-INF/lib/ folder.
References
https://jira.xwiki.org/browse/XCOMMONS-2796
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira XWiki.org
- Email us at Security Mailing List
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.xwiki.platform:xwiki-platform-distribution-war | >= 14.10, < 14.10.18, >= 15.0-rc-1, < 15.5.3, >= 15.6-rc-1, < 15.8-rc-1 | 14.10.18, 15.5.3, 15.8-rc-1 |
References
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8959-rfxh-r4j4
- https://nvd.nist.gov/vuln/detail/CVE-2024-21651
- https://github.com/xwiki/xwiki-platform
- https://jira.xwiki.org/browse/XCOMMONS-2796
- https://search.maven.org/remotecontent?filepath=org/apache/commons/commons-compress/1.24.0/commons-compress-1.24.0.jar
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-400- Platform
- Java / Kotlin (Maven)
- Package
org.xwiki.platform:xwiki-platform-distribution-war- Disclosed
- 08.01.2024
- Updated
- 11.10.2026 13:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-8959-rfxh-r4j4 - CC BY 4.0
Vulnerability history: org.xwiki.platform:xwiki-platform-distribution-war
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 5
- First → latest
- 04.2023 07.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 3
- High 2
Disclosures per year
- 2023: 2
- 2024: 2
- 2025: 1
- 2026: 0
-
XWiki vulnerable to Denial of Service attack through attachments this entry
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