CVE-2026-102982 Plane: XSS in work item comments
An attacker can execute arbitrary scripts in another user's browser via unsanitized URLs in project comments, 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-2026-102982?
CVE-2026-102982 is a high-severity cross-site scripting vulnerability in makeplane plane, 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
Plane is an open-source project management tool. Prior to 1.4.0, the plane comments fail to sanitize unsafe URL schemes stored in comment_html. A project member can store a crafted link in a comment, and attacker-controlled script executes in the browser context of another user who selects the link. This issue is fixed in version 1.4.0.
Weakness: CWE-79
Which versions are affected by CVE-2026-102982?
How do I fix CVE-2026-102982?
No fix has been published for CVE-2026-102982 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-2026-102982 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-102982 exists.
Sources
Also known as GHSA-6qrq-f73q-r67j.