CVE-2021-25876 Cross-site scripting in n/a
Remote attackers can steal administrator session cookies or perform actions as an administrator via reflected XSS in the u parameter.
- 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-2021-25876?
CVE-2021-25876 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 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
AVideo/YouPHPTube 10.0 and prior has multiple reflected Cross Script Scripting vulnerabilities via the u parameter which allows a remote attacker to steal administrators' session cookies or perform actions as an administrator.
Weakness: CWE-79
Which versions are affected by CVE-2021-25876?
It affects 1 product.
Products include Youphptube Youphptube.
How do I fix CVE-2021-25876?
No fix has been published for CVE-2021-25876 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-2021-25876 being exploited?
There is no known exploitation of CVE-2021-25876 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-v66q-3xcx-65j2.