CVE-2020-18663 Cross-site scripting in n/a
Cross-site scripting vulnerability in gnuboard5 allows attackers to inject malicious scripts via the act parameter, potentially leading to session hijacking or code execution.
- 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-2020-18663?
CVE-2020-18663 is a medium-severity cross-site scripting vulnerability in n/a, published on 24 Jun 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
Cross Site Scripting (XSS) vulnerability in gnuboard5 <=v5.3.2.8 via the act parameter in bbs/move_update.php.
Weakness: CWE-79
Which versions are affected by CVE-2020-18663?
It affects 1 product.
Products include Sir Gnuboard.
How do I fix CVE-2020-18663?
No fix has been published for CVE-2020-18663 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-2020-18663 being exploited?
There is no known exploitation of CVE-2020-18663 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-9f2j-hwhw-8fxw.