XSS in Docsifyjs Docsify

CVE-2020-7680

docsify prior to 4.11.4 is susceptible to Cross-site Scripting (XSS). Docsify.js uses fragment identifiers (parameters after # sign) to load resources from server-side .md files. Due to lack of validation here, it is possible to provide external URLs after the /#/ (domain.com/#//attacker.com) and render arbitrary JavaScript/HTML inside docsify page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.045 (90.5th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-7680?
CVE-2020-7680 is a medium-severity vulnerability in Docsifyjs Docsify, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-07-20.
How severe is CVE-2020-7680?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-7680 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.