CVE-2020-15252
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.36% probability · 89th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-94, CWE-74
- Affected
- xwiki/xwiki
- Source
- security-advisories@github.com
EPSS 3.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5hv6-mh8q-q9v8Third Party Advisory
- https://jira.xwiki.org/browse/XWIKI-17141Exploit, Vendor Advisory
- https://jira.xwiki.org/browse/XWIKI-17423Vendor Advisory
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5hv6-mh8q-q9v8Third Party Advisory
- https://jira.xwiki.org/browse/XWIKI-17141Exploit, Vendor Advisory
- https://jira.xwiki.org/browse/XWIKI-17423Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.