html-parse-stringify and html-parse-stringify2 vulnerable to Regular expression denial of service (ReDoS)
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | html-parse-stringify | < 2.0.1 | 2.0.1 |
| npm package | html-parse-stringify2 | <= 2.0.1 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-23346
- https://github.com/HenrikJoreteg/html-parse-stringify/commit/c7274a48e59c92b2b7e906fedf9065159e73fe12
- https://github.com/HenrikJoreteg/html-parse-stringify/blob/master/lib/parse.js%23L2
- https://github.com/HenrikJoreteg/html-parse-stringify/releases/tag/v2.0.1
- https://github.com/rayd/html-parse-stringify2/blob/master/lib/parse.js%23L2
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1080633
- https://snyk.io/vuln/SNYK-JS-HTMLPARSESTRINGIFY-1079306
- https://snyk.io/vuln/SNYK-JS-HTMLPARSESTRINGIFY2-1079307
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L- Weakness (CWE)
CWE-400- Platform
- npm
- Package
html-parse-stringify, html-parse-stringify2- Disclosed
- 18.03.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-545q-3fg6-48m7 - CC BY 4.0
Vulnerability history: html-parse-stringify2
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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