CVE-2023-0993
CVE-2023-0993 is a medium-severity vulnerability in Getshieldsecurity Shield Security with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-862
- Affected product: Getshieldsecurity Shield Security
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-0993?
- 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.
- How severe is CVE-2023-0993?
- CVE-2023-0993 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2023-0993 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-0993?
- CVE-2023-0993 affects Getshieldsecurity Shield Security. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-0993?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-0993 published?
- CVE-2023-0993 was published on 2023-06-09 and last updated on 2026-06-17.
References
- 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=
- https://wordpress.org/plugins/wp-simple-firewall/
- 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=cve
Affected products (1)
- cpe:2.3:a:getshieldsecurity:shield_security:*:*:*:*:*:wordpress:*:*
More vulnerabilities in Getshieldsecurity Shield Security
- CVE-2023-6989 — Critical (CVSS 9.8): The Shield Security – Smart Bot Blocking & Intrusion Prevention Security plugin for WordPress is vulnerable to Local…
- CVE-2023-0992 — High (CVSS 7.2): The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including,…
- CVE-2024-22163 — High (CVSS 7.1): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Shield Security…
- CVE-2024-7313 — Medium (CVSS 6.1): The Shield Security WordPress plugin before 20.0.6 does not sanitise and escape a parameter before outputting it back…
- CVE-2022-0211 — Medium (CVSS 4.8): The Shield Security WordPress plugin before 13.0.6 does not sanitise and escape admin notes, which could allow high…
All CVEs affecting Getshieldsecurity Shield Security →
Other CWE-862 (Missing Authorization) vulnerabilities
- CVE-2026-0092 — Critical (CVSS 10.0): In Package Manager, there is a possible device lock controller bypass due to a missing permission check. This could…
- CVE-2026-33712 — Critical (CVSS 10.0): Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the preview chat endpoint (POST…
- CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
- CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
- CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
- CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.
Browse all CWE-862 (Missing Authorization) vulnerabilities →