XSS in Rocket.chat
CVE-2019-17220
Rocket.Chat before 2.1.0 allows XSS via a URL on a ![title] line.
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: 0.040 (90.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.nezami.me/ (Exploit, Third Party Advisory)
- github.com/RocketChat/Rocket.Chat/releases (Third Party Advisory, Release Notes)
- github.com/RocketChat/Rocket.Chat/commits/develop (Patch, Third Party Advisory)
- packetstormsecurity.com/files/154944/Rocket.Chat-2.1.0-Cross-Site-Scripting.html
Frequently asked questions
- What is CVE-2019-17220?
- CVE-2019-17220 is a medium-severity vulnerability in Rocket.chat, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-10-21.
- How severe is CVE-2019-17220?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-17220 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.