CVE-2020-36828 DiscuzX install_function.php show_next_step cross site scripting
Remote attackers can inject malicious scripts via the uchidden argument in the installation function, potentially compromising user sessions.
- 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-2020-36828?
CVE-2020-36828 is a low-severity cross-site scripting vulnerability in DiscuzX, published on 31 Mar 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability was found in DiscuzX up to 3.4-20200818. It has been classified as problematic. Affected is the function show_next_step of the file upload/install/include/install_function.php. The manipulation of the argument uchidden leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 3.4-20210119 is able to address this issue. The name of the patch is 4a9673624f46f7609486778ded9653733020c567. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-258612.
Weakness: CWE-79
Which versions are affected by CVE-2020-36828?
How do I fix CVE-2020-36828?
No fix has been published for CVE-2020-36828 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-2020-36828 being exploited?
There is no known exploitation of CVE-2020-36828 in the wild and no public exploit code.
Sources
Also known as GHSA-gfwf-8f5m-89hq.