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Fencer Vulns
critical 9.8

CVE-2021-24285 in the critical feed json

Car Seller - Auto Classifieds Script <= 2.1.0 - Unauthenticated SQL Injection

published 2021-05-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11199

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
14.7%
EPSS 14.7% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known, plus a Nuclei check

Summary

The request_list_request AJAX call of the Car Seller - Auto Classifieds Script WordPress plugin through 2.1.0, available to both authenticated and unauthenticated users, does not sanitise, validate or escape the order_id POST parameter before using it in a SQL statement, leading to a SQL Injection issue.

Exploit prediction

14.70% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template WordPress Car Seller - Auto Classifieds Script - SQL Injection nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/f35d6ab7-dd52-48b3-a79c-3f89edf24162 referenced PoC, tagged "exploit" by a source, unverified
  • codevigilant.com https://codevigilant.com/disclosure/2021/24-04-2021-wp-plugin-cars-seller-auto-classifieds-script-sql-injection/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Unknown Car Seller - Auto Classifieds Script

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command
Technology feeds

References

Sources

Fencer Vulns 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.