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CVE-2026-66643NVD

Vulnerability Summary

Contributor Cross Site Scripting (XSS) in Wufoo Shortcode <= 1.55 versions.

Severity Level

MEDIUM(6.5)

Published Date

Aug 18, 2026

Last Modified

Aug 20, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.21%Probability

Root Weakness (CWE)

CWE-79: Cross-site Scripting (XSS) ↗

The software does not neutralize user-controllable input before it is placed in output that is used as a web page.

CVSS v3.1 Base Metrics

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

ConfidentialityLow

IntegrityLow

AvailabilityLow

External References

https://patchstack.com/database/wordpress/plugin/wufoo-shortcode/vulnerability/wordpress-wufoo-shortcode-plugin-1-55-cross-site-scripting-xss-vulnerability?_s_id=cve

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Critical Alert 2 Active Exploits Detected Today

CVE-2026-66643NVD

Vulnerability Summary

External References