CVE-2026-19986
A weakness has been identified in Adblock for Youtube Extension up to 7.2.1 on Chrome. The impacted element is the function updateDynamicRules of the file contentscript.js of the component Event Listener. This manipulation of the argument yt-anti-adblock-detected causes improper authorization. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Debilidad
A weakness has been identified in Adblock for Youtube Extension up to 7.2.1 on Chrome. The impacted element is the function updateDynamicRules of the file contentscript.js of the component Event Listener. This manipulation of the argument yt-anti-adblock-detected causes improper authorization. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Referencias
- https://github.com/xryj920/chrome_extensions/blob/main/AdBlock%20Ltd.%20Adblock%20for%20Youtube%207.2.1%20allows%20persistent%20disabling%20of%20ad%20blocking%20through%20an%20unauthenticated%20DOM%20event
- https://vuldb.com/cve/CVE-2026-19986
- https://vuldb.com/submit/873935
- https://vuldb.com/vuln/391190
- https://vuldb.com/vuln/391190/cti
- https://vuldb.com/submit/873935
Encuentra el fallo antes que un atacante.
Inicia sesión con GitHub y ejecuta tu primera auditoría en menos de un minuto. El plan gratuito no requiere tarjeta de crédito.