Auth bypass in Getshieldsecurity Shield Security

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.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-0993: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-0993?
CVE-2023-0993 is a medium-severity vulnerability in Getshieldsecurity Shield Security, classified under Missing Authorization. CVSS score: 4.3/10. Published 2023-06-09.
How severe is CVE-2023-0993?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2023-0993 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.