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.
Does this matter?
A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 2.0%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
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 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.98% probability · 80th percentile
- Public exploits
- 1 in Exploit-DB · first 1 November 2017
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- octobercms/october
- Source
- cve@mitre.org
EPSS 2.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.