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CVE-2017-16244

Published: Nov 1, 2017Updated: May 13, 2026 Sources: CVE List NVD GHSACWE-352
NVD MITRE
8.8CVSSHIGH
EPSS Score
2.0%
Top 22.1%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-352

Affected Products

n/an/a
october/octoberPackagistOSS Libraries
octoberoctobercms
On-premWeb App
Web & CMS Plugins / cms-core
packagistpackage-ecosystemOSS Libraries
octobercmsoss-projectWeb & CMS Pluginsaka ckeditor4, ckeditor5

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://github.com/octobercms/october/commit/4a6e0e1e0e2c3facebc17e0db38c5b4d4cb05bd0
github.com
https://www.exploit-db.com/exploits/43106/
exploit-db.com
https://nvd.nist.gov/vuln/detail/CVE-2017-16244
nvd.nist.gov
and 2 more references View all →

Timeline

Published
Nov 1, 2017
Last Updated
May 13, 2026

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