CVE-2020-27459 Cross-site scripting in n/a
Stored XSS in Chronoforeum allows attackers to execute arbitrary scripts in victims' browsers via crafted posts, potentially leading to session hijacking.
- 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-2020-27459?
CVE-2020-27459 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 Nov 2020. 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
Chronoforeum 2.0.11 allows Stored XSS vulnerabilities when inserting a crafted payload into a post. If any user sees the post, the inserted XSS code is executed.
Weakness: CWE-79
Which versions are affected by CVE-2020-27459?
It affects 1 product.
Products include Chronoengine Chronoforums.
How do I fix CVE-2020-27459?
No fix has been published for CVE-2020-27459 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-2020-27459 being exploited?
There is no known exploitation of CVE-2020-27459 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-whhf-44jp-82gr.