CVE-2026-110228 wallabag 2.6.13 through 2.6.14 Stored XSS via Failed HTML Import Upload
Authenticated attackers can inject arbitrary HTML via failed imports to execute scripts in victims' wallabag sessions, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-110228?
CVE-2026-110228 is a medium-severity cross-site scripting vulnerability in wallabag, published on 13 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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/<user-id>.html path to execute script in victims' wallabag sessions.
Weakness: CWE-79
Which versions are affected by CVE-2026-110228?
How do I fix CVE-2026-110228?
No fix has been published for CVE-2026-110228 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-110228 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110228 exists.
Sources
Also known as GHSA-rqqm-gvvm-8vpc.