CVE-2021-27519 Cross-site scripting in n/a
Remote attackers can inject JavaScript into FUDForum via the search parameter, potentially executing malicious scripts in user browsers.
- 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-2021-27519?
CVE-2021-27519 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Mar 2021. 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
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "srch" parameter.
Weakness: CWE-79
Which versions are affected by CVE-2021-27519?
It affects 1 product.
Products include Fudforum Fudforum.
How do I fix CVE-2021-27519?
No fix has been published for CVE-2021-27519 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-2021-27519 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-27519 exists.
Public exploit code: 1 Exploit-DB entry and 1 Nuclei template.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hjc2-j7hm-xj95.