CVE-2021-47947 Projectsend r1295 Stored Cross-Site Scripting via files-edit.php
Authenticated attackers can inject malicious scripts via file names in Projectsend, leading to code execution and potential account takeover when viewed by administrators.
- 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-2021-47947?
CVE-2021-47947 is a medium-severity cross-site scripting vulnerability in Projectsend, published on 10 May 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
Projectsend r1295 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting crafted input in the 'name' parameter of files-edit.php. Attackers can inject JavaScript payloads through the file name field that execute in the browser when the file is viewed by other users, particularly affecting System Administrator users on the Dashboard page.
Weakness: CWE-79
Which versions are affected by CVE-2021-47947?
How do I fix CVE-2021-47947?
No fix has been published for CVE-2021-47947 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-2021-47947 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47947 exists.
Sources
Also known as GHSA-q2xf-mghq-m8pp.