CVE-2020-15252
highpriority · track · 36EPSS 0.034 · 89 %ileEUUSEPSS · scored 2026-10-27
In XWiki before version 12.5 and 11.10.6, any user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution. This is patched in XWiki 12.5 and XWiki 11.10.6.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
- Maven org.xwiki.platform:xwiki-platform-oldcore< 11.10.6osvUSpkg:maven/org.xwiki.platform/xwiki-platform-oldcore
- Maven org.xwiki.platform:xwiki-platform-oldcore12.0 → 12.5osvUSpkg:maven/org.xwiki.platform/xwiki-platform-oldcore
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-5hv6-mh8q-q9v8RCE in XWiki2020-10-16ghsa · osvUS
### Impact Any user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution. ### Patches It has been patched in both version XWiki 12.5 and XWiki 11.10.6. ### Workarounds The only workaround is to give SCRIPT right only to trusted users. ### References https://jira.xwiki.org/browse/XWIKI-17423 It's been reported by the GitHub Security Lab under https://jira.xwiki.org/browse/XWIKI-17141. ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki](https://jira.xwiki.org) * Email us at [our security mailing list](mailto:security@xwiki.org)
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5hv6-mh8q-q9v8cnnvd
- https://jira.xwiki.org/browse/XWIKI-17141cnnvd
- https://jira.xwiki.org/browse/XWIKI-17423cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-15252cnnvd
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5hv6-mh8q-q9v8enisa_euvd
- https://jira.xwiki.org/browse/XWIKI-17141enisa_euvd
- https://jira.xwiki.org/browse/XWIKI-17423enisa_euvd
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5hv6-mh8q-q9v8Third Party Advisorynvd
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