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WordPress CallbackKiller service widget plugin <= 1.2 - Missing Authorization to Unauthenticated Arbitrary Plugin Settings Update vulnerability

🗓️ 13 Feb 2026 22:43:00Reported by Legion HunterType 
patchstack
 patchstack
🔗 patchstack.com👁 2 Views

WordPress CallbackKiller widget plugin up to version 1.2 has unauthenticated arbitrary settings updates.

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13 Feb 2026 22:43Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.3
EPSS0.00337
SSVC
2