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Advisory record · GHSA-vfrc-7r7c-w9mx

Prototype Pollution in highlight.js

CVSS 5.8 MediumEPSS 0.013 · 71st percentile

Published by the GitHub Advisory Database at 24 Nov 2020, 22:58 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
highlight.jsnpm<9.18.2 || >=10.0.0, <10.1.29.18.2, 10.1.2
Identifiers
GHSA-vfrc-7r7c-w9mx · CVE-2020-26237
Weakness (CWE)
CWE-471
Tags
Published
24 Nov 2020
Updated
8 Jul 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.8 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.013, the 71st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 24 Nov 2020. New records show when each source confirmed them.

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.