CVE-2026-111168 LibreDesk before 2.9.0-rc.8 Stored XSS via SVG Upload Content-Type Parameter
Authenticated agents can execute arbitrary scripts in other users' sessions by uploading malicious SVG files with specific Content-Type headers.
- 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-2026-111168?
CVE-2026-111168 is a medium-severity cross-site scripting vulnerability in abhinavxd libredesk, published on 15 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
LibreDesk before 2.9.0-rc.8 contains a stored cross-site scripting vulnerability that allows authenticated agents to execute script by uploading SVGs with malformed Content-Type parameters. Attackers can upload an SVG typed 'image/svg+xml; x' via /api/v1/media so GET /uploads/{uuid} serves it inline without sandbox, running script in any viewing agent's or administrator's session.
Weakness: CWE-79
Which versions are affected by CVE-2026-111168?
How do I fix CVE-2026-111168?
No fix has been published for CVE-2026-111168 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-2026-111168 being exploited?
There is no known exploitation of CVE-2026-111168 in the wild and no public exploit code.
Sources
Also known as GHSA-wvrw-g5q5-xxgm.