Is CVE-2023-5843 actively exploited?

No active exploitation of CVE-2023-5843 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-5843 be exploited remotely?

Yes. CVE-2023-5843 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-5843?

CVE-2023-5843 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-5843

CWE-94Published: October 30, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Risk Analysis

The Ads by datafeedr.com WordPress plugin contains a remote code execution vulnerability in its AJAX loading function. This critical flaw allows unauthenticated attackers to execute code on the server, warranting immediate attention.

No public exploit is currently known, and it is not listed in CISA's KEV. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Update the Ads by datafeedr.com plugin to the latest available version. If no update is available, consider disabling the plugin until a fix is provided.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-5843 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.