CVE-2021-4251 as include.cdn.php getFullURL cross site scripting
A cross-site scripting vulnerability in the getFullURL function allows remote attackers to inject malicious scripts.
- 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-2021-4251?
CVE-2021-4251 is a low-severity cross-site scripting vulnerability in unspecified as, published on 18 Dec 2022. 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 classified as problematic was found in as. This vulnerability affects the function getFullURL of the file include.cdn.php. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 4acad1e3d2c34c017473ceea442fb3e3e078b2bd. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216208.
Weakness: CWE-707
Which versions are affected by CVE-2021-4251?
It affects 1 product.
Products include As Project As.
How do I fix CVE-2021-4251?
No fix has been published for CVE-2021-4251 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-2021-4251 being exploited?
There is no known exploitation of CVE-2021-4251 in the wild and no public exploit code.
Sources
Also known as GHSA-w6w2-4fv4-9gj2.