CVE-2021-41465 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via the rel parameter in concrete5-legacy, potentially compromising user sessions.
- 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-2021-41465?
CVE-2021-41465 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Oct 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 concrete/elements/collection_theme.php in concrete5-legacy 5.6.4.0 and below allows remote attackers to inject arbitrary web script or HTML via the rel parameter.
Weakness: CWE-79
Which versions are affected by CVE-2021-41465?
It affects 1 product.
Products include Concrete5-Legacy Project Concrete5-Legacy.
How do I fix CVE-2021-41465?
No fix has been published for CVE-2021-41465 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-2021-41465 being exploited?
There is no known exploitation of CVE-2021-41465 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-2gv2-fhx4-wcx2.