CVE-2021-23411

Name: CVE-2021-23411
Creator: NVD / NIST
Published: 2021-07-21T15:15:15.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2021-23411 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Affected versions of this package are vulnerable to Cross-site Scripting (XSS) via the main functionality. It accepts input that can result in the output (an anchor a tag) containing undesirable Javascript code that can be executed upon user interaction.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) via the main functionality. It accepts input that can result in the output (an anchor a tag) containing undesirable Javascript code that can be executed upon user interaction.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.16%

63.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Anchorme Project	Anchorme	All versions

References

https://github.com/alexcorvi/anchorme.js/blob/gh-pages/src/transform.ts%23L81Broken Link
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1320695Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-ANCHORME-1311008Exploit, Third Party Advisory
https://github.com/alexcorvi/anchorme.js/blob/gh-pages/src/transform.ts%23L81Broken Link
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1320695Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-ANCHORME-1311008Exploit, Third Party Advisory

Timeline

Published: Jul 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23411?

How severe is CVE-2021-23411?

CVE-2021-23411 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23411?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23411?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST