Critical severity · published Oct 30, 2023
CVE-2023-5843
Ads by datafeedr.com <= 1.1.3 - Unauthenticated (Limited) Remote Code Execution
9.8
CVSS
2.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AB
Ads by datafeedr.com · datafeedrcom
through 1.1.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5843
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5843
Exploit
https://plugins.trac.wordpress.org/browser/ads-by-datafeedrcom/tags/1.1.3/inc/dfads.class.php#L34
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset/2991088/ads-by-datafeedrcom
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/5412fd87-49bc-445c-8d16-443e38933d1e?source=cve