VULNERABILITY INTELLIGENCE

CVE-2017-16244

CVSS score8.8 HIGH

EPSS probability1.98%

CISA KEVNot currently listed

Published2017-11-01

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

nvd@nist.gov: CWE-352

Primary references

cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry