CVE-2020-37222 Kuicms Php EE 2.0 Persistent Cross-Site Scripting via bbs reply
Unauthenticated attackers can inject malicious scripts via the bbs reply endpoint, leading to arbitrary code execution in users' browsers.
- 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-2020-37222?
CVE-2020-37222 is a medium-severity cross-site scripting vulnerability in Kuicms Php EE, published on 13 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Kuicms Php EE 2.0 contains a persistent cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted content through the bbs reply endpoint. Attackers can send POST requests to /web/?c=bbs&a=reply with HTML and JavaScript payloads in the content parameter to execute arbitrary scripts in users' browsers.
Weakness: CWE-79
Which versions are affected by CVE-2020-37222?
How do I fix CVE-2020-37222?
No fix has been published for CVE-2020-37222 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-2020-37222 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37222 exists.
Sources
Also known as GHSA-6rcp-2qmw-47q4.