XSS in Mongo-express
CVE-2021-21422
mongo-express is a web-based MongoDB admin interface, written with Node.js and express. 1: As mentioned in this issue: https://github.com/mongo-express/mongo-express/issues/577, when the content of a cell grows larger than supported size…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.016 (72.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Mongo-express — versions < v1.0.0-alpha.4
- Mongo-express_project Mongo-express — versions 1.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21422?
- CVE-2021-21422 is a high-severity vulnerability in Mongo-express, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2021-06-21.
- How severe is CVE-2021-21422?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-21422 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.