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vulnerabilities
UK pentester 'killa' claims $2K Bitcoin prize in PHP2Shell capture-the-flag contest
A UK pentester known as 'Killa' won a $2,000 Bitcoin prize by successfully exploiting PHP2Shell vulnerabilities in a capture-the-flag challenge launched by James Pavur on October 24. Modhwadia achieved remote code execution within approximately three hours after the target endpoint became available, demonstrating that PHP2Shell can be weaponized against live systems despite technical constraints such as address space layout randomization and rate limiting.
Why it matters: Organizations running vulnerable PHP versions remain at risk from skilled attackers who can chain these vulnerabilities for remote code execution; security teams should prioritize patching and monitor for exploitation attempts, as proof-of-concept exploits continue to evolve beyond publicly available code.
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