CVE-2021-40888 Cross-site scripting in n/a
A low-privilege user can execute arbitrary scripts via XSS in ProjectSend due to unsanitized output in the returnFilesIds function.
- 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-2021-40888?
CVE-2021-40888 is a medium-severity cross-site scripting vulnerability in n/a, published on 11 Oct 2021. 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 version r1295 is affected by Cross Site Scripting (XSS) due to lack of sanitization when echo output data in returnFilesIds() function. A low privilege user can call this function through process.php file and execute scripting code.
Weakness: CWE-79
Which versions are affected by CVE-2021-40888?
It affects 1 product.
Products include Projectsend Projectsend.
How do I fix CVE-2021-40888?
No fix has been published for CVE-2021-40888 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-2021-40888 being exploited?
There is no known exploitation of CVE-2021-40888 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-353r-v23w-mmff.