MEDIUM 5.3 NVD
CVE-2026-121627
buku 5.0 through 5.1.1 contains a stored cross-site scripting vulnerability in the bukuserver bookmark list that allows attackers to execute script via an unesc
buku 5.0 through 5.1.1 contains a stored cross-site scripting vulnerability in the bukuserver bookmark list that allows attackers to execute script via an unescaped bookmark URL in BookmarkModelView._list_entry(). Attackers can submit a URL containing a double quote and event handler through the unauthenticated /api/bookmarks endpoint to issue same-origin API requests with viewers' credentials.
References
- https://github.com/jarun/buku
- https://github.com/jarun/buku/blob/v5.1.1/bukuserver/views.py#L133
- https://github.com/jarun/buku/issues/911
- https://www.vulncheck.com/advisories/buku-5.0-through-5.1.1-stored-xss-via-bukuserver-book
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-11-03 via NVD.
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