What’s Vulnerable › Vulnerabilities

CVE-2023-5843: Ads by datafeedr.com <= 1.1.3 - Unauthenticated (Limited) Remote Code Execution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-30 · updated 2026-06-17
• Weakness: CWE-94

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 products

• datafeedrcom Ads by datafeedr.com: through 1.1.3

References

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

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