CVE-2021-23346

Name: CVE-2021-23346
Creator: NVD / NIST
Published: 2021-03-04T17:15:13.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 2.22%

Last modified Jun 17, 2026

CVE-2021-23346 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. This affects the package html-parse-stringify before 2.0.1; all versions of package html-parse-stringify2. Sending certain input could cause one of the regular expressions that is used for parsing to backtrack, freezing the process.. EPSS estimates a 2.22% chance of exploitation in the next 30 days.

Description

This affects the package html-parse-stringify before 2.0.1; all versions of package html-parse-stringify2. Sending certain input could cause one of the regular expressions that is used for parsing to backtrack, freezing the process.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

2.22%

80.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Html-Parse-Stringify Project	Html-Parse-Stringify	< 2.0.1

References

https://github.com/HenrikJoreteg/html-parse-stringify/blob/master/lib/parse.js%23L2Broken Link, Third Party Advisory
https://github.com/HenrikJoreteg/html-parse-stringify/commit/c7274a48e59c92b2b7e906fedf9065159e73fe12Patch, Third Party Advisory
https://github.com/rayd/html-parse-stringify2/blob/master/lib/parse.js%23L2Broken Link, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1080633Exploit, Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-HTMLPARSESTRINGIFY-1079306Exploit, Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-HTMLPARSESTRINGIFY2-1079307Exploit, Patch, Third Party Advisory
https://github.com/HenrikJoreteg/html-parse-stringify/blob/master/lib/parse.js%23L2Broken Link, Third Party Advisory
https://github.com/HenrikJoreteg/html-parse-stringify/commit/c7274a48e59c92b2b7e906fedf9065159e73fe12Patch, Third Party Advisory
https://github.com/rayd/html-parse-stringify2/blob/master/lib/parse.js%23L2Broken Link, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1080633Exploit, Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-HTMLPARSESTRINGIFY-1079306Exploit, Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-HTMLPARSESTRINGIFY2-1079307Exploit, Patch, Third Party Advisory

Timeline

Published: Mar 4, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23346?

How severe is CVE-2021-23346?

CVE-2021-23346 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 2.22% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23346?

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-2021-23346?

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

Scan your code now

Source: NVD / NIST