TI-2023-13964 Aliases CVE-2023-29689 GHSA-w7vm-4v3j-vgpw

PyroCMS 3.9 contains a remote code execution (RCE) vulnerability that can be exploited…

HIGH 82Published 2023-08-04 · Updated 2024-10-17

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.53463 98th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	pyrocms/pyrocms (Packagist)	up to 3.9	—	No fix listed	GHSA-w7vm-4v3j-vgpw

— Vendor— Affected all versions Fixed in — No fix listed CNA
pyrocms/pyrocms (Packagist) Vendor— Affected up to 3.9 Fixed in — No fix listed GHSA-w7vm-4v3j-vgpw

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:pyrocms:pyrocms:3.9:::::::*	3.9	Vulnerable	Pyrocms

cpe:2.3:a:pyrocms:pyrocms:3.9:*:*:*:*:*:*:* Versions 3.9 Vulnerable ·Pyrocms

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-29689
2026-10-03 Alias added: GHSA-w7vm-4v3j-vgpw

References

Exploit 1

https://cupc4k3.lol/ssti-leads-to-rce-on-pyrocms-7515be27c811

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2023-29689

Other 2

TI-2024-38394 PyroCMS v3.0.1 Stored Cross-Site Scripting via Admin Redirects CVSS 4.0MEDIUM 5.3
TI-2022-17541 PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS_ when a low privileged… CVSS 3.1CRITICAL 9.0
TI-2020-15498 PyroCMS 3.7 is vulnerable to cross-site request forgery (CSRF) via the… CVSS 3.1HIGH 7.1
TI-2022-15847 PyroCMS v3.9 was discovered to contain multiple cross-site scripting (XSS) vulnerabilities. CVSS 3.1MEDIUM 6.1
TI-2020-15497 PyroCMS 3.7 is vulnerable to cross-site request forgery (CSRF) via the admin/pages/delete/ URI: pages will be deleted. CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences