CVE-2025-63317 Cross-site scripting in n/a
Attackers can execute arbitrary JavaScript via unsanitized SVG uploads in Todoist, potentially leading to session hijacking or account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-63317?
CVE-2025-63317 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Dec 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Todoist v8896 is vulnerable to Cross Site Scripting (XSS) in /api/v1/uploads. Uploaded SVG files have no sanitization applied, so embedded JavaScript executes when a user opens the attachment from a task/comment.
Weakness: CWE-79
Which versions are affected by CVE-2025-63317?
It affects 1 product.
Products include Doist Todoist.
How do I fix CVE-2025-63317?
No fix has been published for CVE-2025-63317 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-2025-63317 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63317 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cmm8-cjqm-f8mf.