What’s Vulnerable › Vulnerabilities

CVE-2023-40330: WordPress GD Security Headers Plugin <= 1.6.1 is vulnerable to Cross Site Scripting (XSS)

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-27 · updated 2026-06-17
• Weakness: CWE-79

Description

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Milan Petrovic GD Security Headers plugin <= 1.6.1 versions.

Affected products

• Milan Petrovic GD Security Headers: through 1.6.1

References

• https://patchstack.com/database/vulnerability/gd-security-headers/wordpress-gd-security-headers-plugin-1-6-1-cross-site-scripting-xss-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/gd-security-headers/wordpress-gd-security-headers-plugin-1-6-1-cross-site-scripting-xss-vulnerability?_s_id=cve

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