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Fencer Intel
critical 9.8

CVE-2021-24849 json

WCFM - WooCommerce Multivendor Marketplace < 3.4.12 - Unauthenticated SQL Injection

published 4y ago modified 4mo ago also EUVD-2021-11761

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.4%
EPSS 8.4% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known, plus a Nuclei check

Summary

The wcfm_ajax_controller AJAX action of the WCFM Marketplace WordPress plugin before 3.4.12, available to unauthenticated and authenticated user, does not properly sanitise multiple parameters before using them in SQL statements, leading to SQL injections

Patch / fix

  • wclovers frontend_manager_for_woocommerce_along_with_bookings_subscription_listings_compatible 3.4.12

Is CVE-2021-24849 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

8.39% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template WCFM WooCommerce Multivendor Marketplace < 3.4.12 - SQL Injection nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/763c08a0-4b2b-4487-b91c-be6cc2b9322e 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 WCFM Marketplace – Best Multivendor Marketplace for WooCommerce

Classification

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

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.