prismjs Regular Expression Denial of Service vulnerability

Description

Prism is a syntax highlighting library. The prismjs package is vulnerable to ReDoS (regular expression denial of service). An attacker that is able to provide a crafted HTML comment as input may cause an application to consume an excessive amount of CPU.

Recommendation

Update the prismjs package to the latest compatible version. Followings are version details:

• Affected version(s): < 1.25.0
• Patched version(s): 1.25.0

References

• GHSA-hqhp-5p83-hx96
• huntr.dev
• CVE-2021-3801
• CWE-400
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Regular Expression Denial of Service (ReDoS) in Prism - CVE-2021-32723
• Regular Expression Denial of Service (ReDoS) - ssri - CVE-2021-27290
• tarteaucitron.js has Regular Expression Denial of Service (ReDoS) vulnerability - CVE-2026-22809
• html-parse-stringify and html-parse-stringify2 vulnerable to Regular expression denial of service (ReDoS) - CVE-2021-23346

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Tags:

npm

prismjs