Skip to content
Fencer Intel
high 7.2

CVE-2021-3291 in the critical feed json

Zen Cart vulnerable to authenticated remote code execution

published 5y ago modified 4mo ago also GHSA-38f9-4vhq-9cr8 , EUVD-2022-2136

cvss
7.2
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
17.0%
EPSS 17.0% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

Zen Cart 1.5.7b allows admins to execute arbitrary OS commands by inspecting an HTML radio input element (within the modules edit page) and inserting a command.

Patch / fix

  • packagist zencart/zencart 1.5.7c

Is CVE-2021-3291 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Timeline

  1. Published
  2. First public exploit (EDB-49608)

Exploit prediction

16.98% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-49608 Zen Cart 1.5.7b - Remote Code Execution (Authenticated) webapps, 2021-03-02
  • github.com https://github.com/MucahitSaratar/zencart_auth_rce_poc referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/161613/Zen-Cart-1.5.7b-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C
GitHub 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist zencart/zencart
<1.5.7c
1.5.7c

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.