CVE-2026-53966: falha de alta gravidade em xwiki-platform
XWiki Platform: Privilege escalation from edit to script right through Live Data editing
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.1epss 0.8%
XWiki Platform is a generic wiki platform. From 13.4-rc-1 until 16.10.17, 17.4.10, 17.10.4, and 18.1.0-rc-1, the Live Data edit REST API allows a user who can edit a page to change that page's rights without executing the normal document-saving authorization checks. The user can grant script right and then execute potentially dangerous Velocity scripts or send unfiltered HTML and JavaScript to clients. The same missing checks can circumvent extension security controls implemented as listeners for UserUpdatingDocumentEvent and related user document events. This issue is fixed in versions 16.10.17, 17.4.10, 17.10.4, and 18.1.0-rc-1.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Produtos afetados
xwiki · xwiki-platformCVEs relacionadas — xwiki-platform
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Referências
https://github.com/xwiki/xwiki-platform/commit/1ddb954767e50782be960b953b012c1242f6843bhttps://github.com/xwiki/xwiki-platform/commit/448b0f074cc6711410eb2647c4740454c92d1626https://github.com/xwiki/xwiki-platform/commit/778b82b4806ce7ebddb775f953545ff73b841f8bhttps://github.com/xwiki/xwiki-platform/commit/fbad7dac8f46c560577e41b9259cbbbbd343e6fchttps://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-16.10.17https://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-17.10.4https://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-17.4.10https://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-18.1.0-rc-1https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-45ph-gxxr-gwgwhttps://jira.xwiki.org/browse/XWIKI-23986