CVE-2026-110228
mediumwallabag 2.6.13 through 2.6.14 contains a stored cross-site scripting vulnerability that allows authenticated users to host arbitrary HTML by triggering a fail…
wallabag 2.6.13 through 2.6.14 contains a stored cross-site scripting vulnerability that allows authenticated users to host arbitrary HTML by triggering a failed Pocket HTML, Pocket CSV or Shaarli import. Attackers can upload an HTML file with script but no anchor elements, leaving it at the predictable /uploads/import/.html path to execute script in victims' wallabag sessions.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/wallabag/wallabag disclosure@vulncheck.com
- https://github.com/wallabag/wallabag/blob/74cbfd945bc316b5cf0308ba56e32fd2ed3443c0/app/con... disclosure@vulncheck.com
- https://github.com/wallabag/wallabag/blob/74cbfd945bc316b5cf0308ba56e32fd2ed3443c0/src/Wal... disclosure@vulncheck.com
- https://github.com/wallabag/wallabag/blob/74cbfd945bc316b5cf0308ba56e32fd2ed3443c0/web/.ht... disclosure@vulncheck.com
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/wallabag-pocket-html-failed-import-stored-xss disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/wallabag-2.6.13-through-2.6.14-stored-xss-via-failed-... disclosure@vulncheck.com
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/wallabag-pocket-html-failed-import-stored-xss 134c704f-9b21-4f2e-91b3-4a467353bcc0
