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CVE-2023-5843

CRITICAL 9.8 CVSS 3.1
Published
October 30, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-94
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The Ads by datafeedr.com plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 1.1.3 via the 'dfads_ajax_load_ads' function. This allows unauthenticated attackers to execute code on the server. The parameters of the callable function are limited, they cannot be specified arbitrarily.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • datafeedrcom Ads by datafeedr.com — Up to and including 1.1.3
  • datafeedr ads_by_datafeedr.com — Up to and including 1.1.3

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/ads-by-datafeedrcom/tags/1.1.3/inc/dfads.class.php#L34 Exploit
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2991088/ads-by-datafeedrcom
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/5412fd87-49bc-445c-8d16-443e38933d1e?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record