CVE-2020-18455 Cross-site scripting in n/a
An attacker can inject malicious scripts via the title parameter in the document edit function, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-18455?
CVE-2020-18455 is a medium-severity cross-site scripting vulnerability in n/a, published on 12 Aug 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Cross Site Scripting (XSS) vulnerability exists in bycms v3.0.4 via the title parameter in the edit function in Document.php.
Weakness: CWE-79
Which versions are affected by CVE-2020-18455?
It affects 1 product.
Products include Bycms Project Bycms.
How do I fix CVE-2020-18455?
No fix has been published for CVE-2020-18455 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-2020-18455 being exploited?
There is no known exploitation of CVE-2020-18455 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-x4jc-6f98-5grf.