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Contact Form 7 File Upload RCE Vulnerability and POC Code

github.com 2026-10-16 English translation pending; showing Chinese 查看中文 →
Security Advisory Critical Contact Form 7
Affected:
  • Contact Form 7 5.7.6 and below
Fixed in:
  • 5.7.7
Referenced CVEs: CVE-2026-109221 · 8.1
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