CVE-2020-35489: Unrestricted file upload via unsanitised filenames (double extension)

critical KEV Affects contact-form-7 (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published 2020-12-17; advisory modified 2026-06-17; listed on CISA KEV.

Unrestricted file upload via unsanitised filenames (double extension)

Package: contact-form-7 (WordPress plugin) WordPress
Affected versions: <5.3.2
Fixed in: 5.3.2
Severity: critical CVSS 10.0
Exploitation: KEV listed by CISA as actively exploited · EPSS 89% (99.8th percentile)
Published: 2020-12-17

References

CWE-434

NVD record contact-form-7 (WordPress plugin) advisories

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