XSS in Salesagility Suitecrm
CVE-2021-39267
Persistent cross-site scripting (XSS) in the web interface of SuiteCRM before 7.11.19 allows a remote attacker to introduce arbitrary JavaScript via a Content-Type Filter bypass to upload malicious files. This occurs because text/html is blocked, but other types that allow JavaScript execution (such as text/xml) are not blocked.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.020 (79.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/salesagility/SuiteCRM (Product, Third Party Advisory)
- docs.suitecrm.com/admin/releases/7.11.x/ (Release Notes, Vendor Advisory)
- thanhlocpanda.wordpress.com/2021/07/31/file-upload-bypass-suitecrm-7-11-18/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-39267?
- CVE-2021-39267 is a medium-severity vulnerability in Salesagility Suitecrm, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-18.
- How severe is CVE-2021-39267?
- Medium severity. CVSS v3 base score is 6.1 out of 10.