CVE-2023-43340 Evolution CMS Cross-site Scripting vulnerability
A local attacker can execute arbitrary code via XSS in Evolution CMS by injecting payloads into admin configuration parameters.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-43340?
CVE-2023-43340 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Cross-site scripting (XSS) vulnerability in evolution v.3.2.3 allows a local attacker to execute arbitrary code via a crafted payload injected into the cmsadmin, cmsadminemail, cmspassword and cmspasswordconfim parameters
Weakness: CWE-79
Which versions are affected by CVE-2023-43340?
2 open source packages ship an affected version, including evolutioncms/evolution. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
evolutioncms/evolution Packagist | All versions to 3.2.3 | None |
evolutioncms/evolution Packagist | All versions to 3.2.3 | None |
Products include Evo Evolution Cms.
How do I fix CVE-2023-43340?
No fix has been published for CVE-2023-43340 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-2023-43340 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43340 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-432f-967f-vxg4.