CVE-2020-36827 Cross-site scripting in n/a
Attackers can inject malicious scripts via unescaped JSON output in the XAO::Web Perl module, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-36827?
CVE-2020-36827 is a medium-severity cross-site scripting vulnerability in n/a, published on 24 Mar 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The XAO::Web module before 1.84 for Perl mishandles < and > characters in JSON output during use of json-embed in Web::Action.
Weakness: CWE-791
Which versions are affected by CVE-2020-36827?
How do I fix CVE-2020-36827?
No fix has been published for CVE-2020-36827 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-2020-36827 being exploited?
There is no known exploitation of CVE-2020-36827 in the wild and no public exploit code.
Sources
Also known as GHSA-5w28-7mvj-3c7j.