MEDIUM 5.1 NVD
CVE-2026-123529
Vikunja before 2.7.1 contains a stored CSS injection vulnerability that allows authenticated users with project write access to inject arbitrary CSS via unsanit
Vikunja before 2.7.1 contains a stored CSS injection vulnerability that allows authenticated users with project write access to inject arbitrary CSS via unsanitized table-cell data-background-color attributes. Attackers can store crafted task descriptions or comments to render full-viewport phishing overlays or force zero-click outbound background-image requests that deanonymize viewers.
References
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-p23m-cq25-pc4j
- https://www.vulncheck.com/advisories/vikunja-before-2.7.1-stored-css-injection-via-tiptap-
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-11-08 via NVD.
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