Auth bypass in Totaljs Total.js Cms
CVE-2019-15954
An issue was discovered in Total.js CMS 12.0.0. An authenticated user with the widgets privilege can gain achieve Remote Command Execution (RCE) on the remote server by creating a malicious widget with a special tag containing JavaScript code that will be evaluated server side. In the process of evaluating the tag by the back-end, it is possible to escape the sandbox object by using the following payload: <script total>global.process.mainModule.require(child_process).exec(RCE);</script>
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.787 (99.6th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.787 · newest: 0.787 · change: 0.000
Affected products
- Totaljs Total.js Cms — versions 12.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/beerpwn/CVE/blob/master/Totaljs_disclosure_report/report_final.pdf (Exploit, Third Party Advisory)
- seclists.org/fulldisclosure/2019/Sep/5 (Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/154924/Total.js-CMS-12-Widget-JavaScript-Code-Inj… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-15954?
- CVE-2019-15954 is a critical-severity vulnerability in Totaljs Total.js Cms, classified under Missing Authorization. CVSS score: 9.9/10. Published 2019-09-05.
- How severe is CVE-2019-15954?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2019-15954 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.