CVE-2026-90497 Fengoffice Feng Office Task Title Output add_task.php getTitle cross site scripting
Remote attackers can inject malicious scripts via task titles in Feng Office, potentially leading to code execution or 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-2026-90497?
CVE-2026-90497 is a medium-severity cross-site scripting vulnerability in Fengoffice Feng Office, published on 13 Sep 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
A vulnerability was determined in Fengoffice Feng Office up to 3.11.13.11. Affected by this vulnerability is the function getTitle of the file application/views/task/add_task.php of the component Task Title Output. Executing a manipulation of the argument og_objects.name can lead to cross site scripting. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-90497?
How do I fix CVE-2026-90497?
No fix has been published for CVE-2026-90497 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-2026-90497 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90497 exists.
Sources
Also known as GHSA-6jfr-pc8j-pp9q.