HOMEVULNERABILITIESCVE-2023-0993
MEDIUM

CVE-2023-0993

CWE-862Published: June 9, 2023· Updated: Jun 17, 2026

4.3
CVSS v3.1

Official Description

The Shield Security plugin for WordPress is vulnerable to Missing Authorization on the 'theme-plugin-file' AJAX action in versions up to, and including, 17.0.17. This allows authenticated attackers to add arbitrary audit log entries indicating that a theme or plugin has been edited, and is also a vector for Cross-Site Scripting via CVE-2023-0992.

NVD Source

Technical Analysis

CVE-2023-0993 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected Vendors & Products

getshieldsecurity1 product(s)
shield security
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2883864%40wp-simple-firewall%2Ftrunk&old=2883536%40wp-simple-firewall%2Ftrunk&sfp_email=&sfph_mail=
PATCHhttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2883864%40wp-simple-firewall%2Ftrunk&old=2883536%40wp-simple-firewall%2Ftrunk&sfp_email=&sfph_mail=
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/674461ad-9b61-48c4-af2a-5dfcaeb38215?source=cve
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/674461ad-9b61-48c4-af2a-5dfcaeb38215?source=cve

All References (7)

→
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2883864%40wp-simple-firewall%2Ftrunk&old=2883536%40wp-simple-firewall%2Ftrunk&sfp_email=&sfph_mail=Patch
→
https://wordpress.org/plugins/wp-simple-firewall/Product
→
https://www.wordfence.com/blog/2023/04/multiple-vulnerabilities-patched-in-shield-security/
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/674461ad-9b61-48c4-af2a-5dfcaeb38215?source=cveThird Party Advisory
→
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2883864%40wp-simple-firewall%2Ftrunk&old=2883536%40wp-simple-firewall%2Ftrunk&sfp_email=&sfph_mail=Patch
→
https://wordpress.org/plugins/wp-simple-firewall/Product
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/674461ad-9b61-48c4-af2a-5dfcaeb38215?source=cveThird Party Advisory

Quick Facts

CVE IDCVE-2023-0993
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-862
CISA KEVNo
Affected1 vendor(s)
PublishedJun 9, 2023

Related CVEs (CWE-862)

CVE-2024-6071
10.0
CVE-2026-33712
10.0
CVE-2024-2086
10.0
CVE-2024-33566
10.0
CVE-2025-22609
10.0
CVE-2026-2031
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-0993 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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