Project Umbra
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Disclosures
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Disclosures
1 reported
2026-02-07
WordPress Backdoor (CVE-2026-6443)
Unauthenticated RCE โ a backdoored plugin update added a public REST endpoint that fetches a remote payload and passes it to unserialize(), giving PHP object injection and code execution. CVSS 9.8, spanning the maintainer's entire plugin library.
Critical
Disclosed
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