CVE-2026-121627 — Vulnerability intelligence
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Published:
- CVSS
- 5.3
- CISA KEV
- Not listed; not proof of no exploitation
Original source text (not a translation)
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.