CVE-2017-16244

Cross-Site Request Forgery exists in OctoberCMS 1.0.426 (aka Build 426) due to improper validation of CSRF tokens for postback handling, allowing an attacker to successfully take over the victim's account. The attack bypasses a protection mechanism involving X-CSRF headers and CSRF tokens via a certain _handler postback variable.

• CWE-352

• https://github.com/octobercms/october/commit/4a6e0e1e0e2c3facebc17e0db38c5b4d4cb05bd0Patch, Third Party Advisory
• https://www.exploit-db.com/exploits/43106/Exploit, Third Party Advisory, VDB Entry
• https://github.com/octobercms/october/commit/4a6e0e1e0e2c3facebc17e0db38c5b4d4cb05bd0Patch, Third Party Advisory
• https://www.exploit-db.com/exploits/43106/Exploit, Third Party Advisory, VDB Entry

Published

Nov 1, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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