CVE-2020-36493 Cross-site scripting in n/a
Attackers can inject malicious scripts into DedeCMS via multiple parameters in media_main.php, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-36493?
CVE-2020-36493 is a medium-severity cross-site scripting vulnerability in Dedecms Dedecms, published on 22 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
DedeCMS v7.5 SP2 was discovered to contain multiple cross-site scripting (XSS) vulnerabilities in the component media_main.php via the `activepath`, `keyword`, `tag`, `fmdo=x&filename`, `CKEditor` and `CKEditorFuncNum` parameters.
Weakness: CWE-79
Which versions are affected by CVE-2020-36493?
It affects 1 product.
Products include Dedecms Dedecms.
How do I fix CVE-2020-36493?
No fix has been published for CVE-2020-36493 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-2020-36493 being exploited?
There is no known exploitation of CVE-2020-36493 in the wild and no public exploit code.
Other vulnerabilities in Dedecms Dedecms
Sources
Also known as GHSA-p8v6-9c5j-69qc.