cve.bz

CVE-2026-26000

5.3 mediumEPSS 0.3%

Medium (5.3) in xwiki xwiki. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in org.xwiki.platform:xwiki-platform-web 16.10.13, 17.4.6, 17.9.0.

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.9.0, 17.4.6, and 16.10.13, it's possible using comments to inject CSS that would transform the full wiki in a link area leading to a malicious page. This vulnerability is fixed in 17.9.0, 17.4.6, and 16.10.13.

Severity

CVSS 4.0

5.3 medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWE
CWE-1021
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-74rh-c5rh-88vgMavenorg.xwiki.platform:xwiki-platform-web>=17.5.0 <17.9.017.9.0
GHSA-74rh-c5rh-88vgMavenorg.xwiki.platform:xwiki-platform-web>=17.0.0-rc-1 <17.4.617.4.6
GHSA-74rh-c5rh-88vgMavenorg.xwiki.platform:xwiki-platform-web<16.10.1316.10.13

References

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