CVE-2020-7680: docsify prior to 4.11.4 is susceptible to Cross-site Scripting (XSS)

Q: How do I fix CVE-2020-7680?

docsify: upgrade to 4.11.4. Exact commands for each OS are on this page.

Q: Is CVE-2020-7680 being exploited?

CVE-2020-7680 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-7680 affect?

CVE-2020-7680 affects docsify. Severity is medium (CVSS 6.1). 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 ext

Q: How urgent is CVE-2020-7680?

Priority 49/100. EPSS top 9%: very likely to be exploited; Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2020-7680 is a medium-severity flaw (CVSS 6.1) affecting docsify. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

EPSS top 9%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	4.5% (top 9%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-07-20
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: docsifyjs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-07-20 16:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

docsifyjs docsify UPGRADE

Affected: < 4.11.4

Fixed in: 4.11.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy docsify || rpm -q docsify || docsify --version

2. UPGRADE to 4.11.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade docsify

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade docsify

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Docsify.js 4.11.4 - Reflective Cross-Site Scripting

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-7680?

docsify: upgrade to 4.11.4. Exact commands for each OS are on this page.

Is CVE-2020-7680 being exploited?

CVE-2020-7680 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-7680 affect?

CVE-2020-7680 affects docsify. Severity is medium (CVSS 6.1). 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 ext

How urgent is CVE-2020-7680?

Priority 49/100. EPSS top 9%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2021-30074 MEDIUM 6.1 DOWNGRADE docsify 4.12.1 is affected by Cross Site Scripting (XSS) because the search component does not appropriately e
CVE-2021-23342 HIGH 8.6 UPGRADE This affects the package docsify before 4.12.0

References

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