CVE-2021-23784

Name: CVE-2021-23784
Creator: NVD / NIST
Published: 2021-11-03T18:15:08.18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.22%

Last modified Jun 17, 2026

CVE-2021-23784 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. This affects the package tempura before 0.4.0. If the input to the esc function is of type object (i.e an array) it is returned without being escaped/sanitized, leading to a potential Cross-Site Scripting vulnerability.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.

Description

This affects the package tempura before 0.4.0. If the input to the esc function is of type object (i.e an array) it is returned without being escaped/sanitized, leading to a potential Cross-Site Scripting vulnerability.

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

1.22%

64.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Tempura Project	Tempura	< 0.4.0

References

https://github.com/lukeed/tempura/commit/58a5c3671e2f36b26810e77ead9e0dd471902f9bPatch, Third Party Advisory
https://github.com/lukeed/tempura/releases/tag/v0.4.0Release Notes, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-TEMPURA-1569633Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
https://github.com/lukeed/tempura/commit/58a5c3671e2f36b26810e77ead9e0dd471902f9bPatch, Third Party Advisory
https://github.com/lukeed/tempura/releases/tag/v0.4.0Release Notes, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-TEMPURA-1569633Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry

Timeline

Published: Nov 3, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23784?

How severe is CVE-2021-23784?

CVE-2021-23784 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23784?

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-2021-23784?

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

Scan your code now

Source: NVD / NIST