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CVE-2023-5843

28
FAUCET Score

CVE-2023-5843 is a critical Remote Code Execution (RCE) vulnerability affecting the Ads by datafeedr.com WordPress plugin, versions up to and including 1.1.3. Unauthenticated attackers can exploit the 'dfads_ajax_load_ads' function to execute arbitrary code on the server, though with limited function parameters. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While the EPSS score is low and there is no known exploit code in public databases like Metasploit or ExploitDB, and no evidence of active exploitation or significant community discussion, the potential for severe impact remains.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.1.3CPE matchmatch criteria
cpe:2.3:a:datafeedr:ads_by_datafeedr.com:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

9.0CRITICAL

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.20%
Probability of exploitation in next 30 days
EPSS Percentile
80.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0220 is in the 70th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / browser/ads-by-datafeedrcom/tags/1.1.3/inc/dfads.class.php
Exploit
plugins.trac.wordpress.org / changeset/2991088/ads-by-datafeedrcom
wordfence.com / threat-intel/vulnerabilities/id/5412fd87-49bc-445c-8d16-443e38933d1e
Third Party Advisory