CSRF in Octobercms October
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.020 · change: +0.001
Affected products
- Octobercms October — versions 1.0.426
Weakness classification (CWE)
References
- github.com/octobercms/october/commit/4a6e0e1e0e2c3facebc17e0db38c5b4d4cb05bd0 (Patch, Third Party Advisory)
- www.exploit-db.com/exploits/43106/ (Exploit, VDB Entry, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2017-16244?
- CVE-2017-16244 is a high-severity vulnerability in Octobercms October, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2017-11-01.
- How severe is CVE-2017-16244?
- High severity. CVSS v3 base score is 8.8 out of 10.