WordPress security changelog
MEDIUM CVE-2023-0993 Modified

Shield Security: Cross-site scripting

Shield Security is affected by cross-site scripting. Exploitation requires an authenticated WordPress account. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 4.3 CVSS 3.1 · security@wordfence.com
NVD score 4.3 CVSS 3.1 · nvd@nist.gov
Component
Shield Security
Plugin slug
wp-simple-firewall
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jun 09, 2023
Weakness
CWE-862 — Missing Authorization

This CVE was published Jun 09, 2023 and is one of 6 known issues for this plugin.

What to do

Update, patch or deactivate.

Update Shield Security to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical 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.

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

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

References

Primary and upstream sources