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CVE-2023-0993

17
FAUCET Score

CVE-2023-0993 is a Missing Authorization vulnerability affecting the Shield Security plugin for WordPress, specifically versions up to and including 17.0.17. This flaw allows authenticated attackers to inject arbitrary audit log entries, falsely indicating theme or plugin edits, and can also be leveraged for Cross-Site Scripting (XSS) in conjunction with CVE-2023-0992. Rated as MEDIUM severity with a CVSS score of 4.3, the vulnerability has a low attack complexity and requires authenticated access, but does not necessitate user interaction. The primary impact is a compromise of audit log integrity and potential for XSS, leading to information manipulation and client-side attacks. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or Nuclei, or entries in ExploitDB. The vulnerability has garnered minimal community discussion and media coverage, suggesting low public awareness and a lack of widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 17.0.17CPE matchmatch criteria
cpe:2.3:a:getshieldsecurity:shield_security:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.55%
Probability of exploitation in next 30 days
EPSS Percentile
42.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0055 is in the 53rd percentile among its peer group of 21,954 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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 / changeset
Patch
wordpress.org / plugins/wp-simple-firewall
Product
wordfence.com / blog/2023/04/multiple-vulnerabilities-patched-in-shield-security
wordfence.com / threat-intel/vulnerabilities/id/674461ad-9b61-48c4-af2a-5dfcaeb38215
Third Party Advisory