CVE-2026-107801 Jivejdon through 5.0 Stored XSS via Attachment Upload Content-Type
Authenticated attackers can execute JavaScript on other users' browsers by uploading attachments with a malicious Content-Type header.
- 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-2026-107801?
CVE-2026-107801 is a medium-severity cross-site scripting vulnerability in banq jivejdon, published on 8 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
Jivejdon through 5.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to execute JavaScript by uploading attachments with an attacker-supplied Content-Type. Attackers can upload a file declared as text/html, which UploadShowAction serves inline, and share its link to run JavaScript on the application's origin for viewing users.
Weakness: CWE-79
Which versions are affected by CVE-2026-107801?
How do I fix CVE-2026-107801?
No fix has been published for CVE-2026-107801 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-2026-107801 being exploited?
There is no known exploitation of CVE-2026-107801 in the wild and no public exploit code.
Sources
Also known as GHSA-j364-rg76-f6x6.