CVE-2021-43785

Name: CVE-2021-43785
Creator: NVD / NIST
Published: 2021-11-26T19:15:08.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2021-43785 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. @joeattardi/emoji-button is a Vanilla JavaScript emoji picker component. In affected versions there are two vectors for XSS attacks: a URL for a custom emoji, and an i18n string. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

@joeattardi/emoji-button is a Vanilla JavaScript emoji picker component. In affected versions there are two vectors for XSS attacks: a URL for a custom emoji, and an i18n string. In both of these cases, a value can be crafted such that it can insert a `script` tag into the page and execute malicious code.

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

1.01%

58.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Emoji Button Project	Emoji Button	< 4.6.2

References

https://github.com/joeattardi/emoji-button/commit/05970c09180cd27fff493e998ac5bf0468b1bb16Patch, Third Party Advisory
https://github.com/joeattardi/emoji-button/commit/fe54bef107eb3f74873a4018f2ff49fa124c6a2ePatch, Third Party Advisory
https://github.com/joeattardi/emoji-button/security/advisories/GHSA-f34m-x9pj-62vqThird Party Advisory
https://github.com/joeattardi/emoji-button/commit/05970c09180cd27fff493e998ac5bf0468b1bb16Patch, Third Party Advisory
https://github.com/joeattardi/emoji-button/commit/fe54bef107eb3f74873a4018f2ff49fa124c6a2ePatch, Third Party Advisory
https://github.com/joeattardi/emoji-button/security/advisories/GHSA-f34m-x9pj-62vqThird Party Advisory

Timeline

Published: Nov 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43785?

How severe is CVE-2021-43785?

CVE-2021-43785 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43785?

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-2021-43785?

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

Scan your code now

Source: NVD / NIST