Skip to main content
Public proof of concept

CVE-2023-29689

A public proof of concept exists; no exploitation attested.

  • Published2023-08-04

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2023-08-0415:15CVE publishedNVD
  2. 2023-08-08Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-29689?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-29689?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
pyrocms/pyrocms
BranchAffectedFixed in
3.9≤ 3.9no fix published
Pyrocms
BranchAffectedFixed in
3.9= 3.9no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-51669
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedYSaxon/pyrocms-ssti-fix
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-08-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-w7vm-4v3j-vgpw

Frequently asked questions

What is CVE-2023-29689?

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.

Is CVE-2023-29689 actively exploited?

A proof-of-concept exploit exists for CVE-2023-29689, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-29689?

CVE-2023-29689 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Running pyrocms/pyrocms? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record