What’s Vulnerable › Vulnerabilities

CVE-2026-66456: WordPress Profile Extra Fields by BestWebSoft plugin <= 1.3.4 - Cross Site Scripting (XSS) vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-13 · updated 2026-08-14
• Weakness: CWE-79

Description

Subscriber Cross Site Scripting (XSS) in Profile Extra Fields by BestWebSoft <= 1.3.4 versions.

Affected products

• bestwebsoft Profile Extra Fields by BestWebSoft: through 1.3.4

References

• https://patchstack.com/database/wordpress/plugin/profile-extra-fields/vulnerability/wordpress-profile-extra-fields-by-bestwebsoft-plugin-1-3-4-cross-site-scripting-xss-vulnerability?_s_id=cve

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