CVE-2023-29689 PyroCMS remote code execution vulnerability

What is CVE-2023-29689?

CVE-2023-29689 is a critical code injection vulnerability in n/a, published on 4 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PyroCMS 3.9 contains a remote code execution (RCE) vulnerability that can be exploited through a server-side template injection (SSTI) flaw. This vulnerability allows a malicious attacker to send customized commands to the server and execute arbitrary code on the affected system.

Which versions are affected by CVE-2023-29689?

2 open source packages ship an affected version, including pyrocms/pyrocms. It affects 1 product.

Products include Pyrocms Pyrocms.

How do I fix CVE-2023-29689?

No fix has been published for CVE-2023-29689 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-2023-29689 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29689 exists.

Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.

Other vulnerabilities in n/a

• CVE-2022-37721 PyroCMS vulnerable to stored Cross Site Scripting Critical 9.0
• CVE-2020-25263 PyroCMS Vulnerable to CSRF High 7.1
• CVE-2022-35118 Cross-site scripting in n/a Medium 6.1
• CVE-2024-58297 PyroCMS v3.0.1 Stored Cross-Site Scripting via Admin Redirects Medium 5.3
• CVE-2020-25262 PyroCMS Vulnerable to CSRF Medium 4.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-w7vm-4v3j-vgpw.