CVE-2021-38243 Code injection in n/a

Critical 9.8 Published 26 Sep 2023 Updated 18 Jun 2025

Attackers can execute arbitrary code on XunRuiCMS installations via a crafted GET request, requiring immediate patching.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-38243?

CVE-2021-38243 is a critical code injection vulnerability in n/a, published on 26 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

xunruicms up to v4.5.1 was discovered to contain a remote code execution (RCE) vulnerability in /index.php. This vulnerability allows attackers to execute arbitrary code via a crafted GET request.

Weakness: CWE-94

Which versions are affected by CVE-2021-38243?

It affects 1 product.

Products include Xunruicms Xunruicms.

How do I fix CVE-2021-38243?

No fix has been published for CVE-2021-38243 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-38243 being exploited?

There is no known exploitation of CVE-2021-38243 in the wild and no public exploit code.

Sources

Also known as GHSA-22vx-3c5q-pcwr.