CVE-2021-35488 Cross-site scripting in n/a
Reflected XSS in Thruk allows attackers to inject JavaScript via host or title parameters, potentially compromising authenticated users.
- 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-2021-35488?
CVE-2021-35488 is a medium-severity cross-site scripting vulnerability in n/a, published on 9 Nov 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
Thruk 2.40-2 allows /thruk/#cgi-bin/status.cgi?style=combined&title={TITLE] Reflected XSS via the host or title parameter. An attacker could inject arbitrary JavaScript into status.cgi. The payload would be triggered every time an authenticated user browses the page containing it.
Weakness: CWE-79
Which versions are affected by CVE-2021-35488?
It affects 1 product.
Products include Thruk Thruk.
How do I fix CVE-2021-35488?
No fix has been published for CVE-2021-35488 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-2021-35488 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-35488 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in n/a
Sources
Also known as GHSA-x3c7-xr54-mc7w.