CVE-2026-107798 Jivejdon through commit ee67a65e Stored XSS via Markdown Links in TextStyle Rendering Filter
Authenticated attackers can inject JavaScript via Markdown links in Jivejdon, leading to script execution when other users interact with the content.
- 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-2026-107798?
CVE-2026-107798 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 from commit 595d8d22 through commit ee67a65e contains a stored cross-site scripting vulnerability in the default-enabled TextStyle filter that inserts unvalidated URLs into anchor href attributes. Authenticated attackers can post messages with javascript: links or quote-breaking URLs to execute JavaScript when other users click or hover over rendered links.
Weakness: CWE-79
Which versions are affected by CVE-2026-107798?
How do I fix CVE-2026-107798?
No fix has been published for CVE-2026-107798 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-2026-107798 being exploited?
There is no known exploitation of CVE-2026-107798 in the wild and no public exploit code.
Sources
Also known as GHSA-x3wr-65j4-jv4v.