CVE-2020-26310

GHSL-2020-305: Regular Expression Denial of Service (ReDoS) in Pure JavaScript HTML5 Parser

CVSS 8.7 HIGHEPSS 0.4%CWE-1333

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.7EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 Oct 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Validate.js provides a declarative way of validating javascript objects. All versions as of 30 November 2020 contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any patches are available.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Green

Affected products

blowsie · Pure-JavaScript-HTML5-Parser

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References

https://github.com/blowsie/Pure-JavaScript-HTML5-Parser/issues/14 https://securitylab.github.com/advisories/GHSL-2020-305-redos-Pure-JavaScript-HTML5-Parser/