Two critical PHP flaws leaked a day before patch, exploitation started before fix

tallmetommy · x · 2026-10-29

Security account decloakdev reports that two critical PHP vulnerabilities leaked a day before their patch shipped, with exploitation attempts already observed before the fix rolled out. PHP2Shell carries a CVSS 9.2 RCE rating. The accompanying graphic also lists a rough week of RCE bugs: Next.js (CVSS 9.5, affecting 15.4.1/15.5.2), stolen UpdraftCentral keys and backdoored plugins, plus 9 exploited entries in CISA KEV, mostly edge devices. Key reminder: PHP powers most websites with a known server-side language, and updating WordPress does not update PHP itself.

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