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Advisory record · GHSA-3jqw-vv45-mjhh

XSS/Script injection vulnerability in matestack

CVSS 7.7 HighEPSS 0.0063 · 50th percentile

Published by the GitHub Advisory Database at 12 Feb 2020, 23:37 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
matestack-ui-coreRubyGems<0.7.40.7.4
Identifiers
GHSA-3jqw-vv45-mjhh · CVE-2020-5241
Weakness (CWE)
CWE-80
Tags
Published
12 Feb 2020
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

matestack-ui-core versions before 0.7.4 are vulnerable to cross-site scripting (XSS) via script injection. The source gives few details about the attack conditions or what an attacker can do after exploiting it. Upgrade to matestack-ui-core 0.7.4, which contains the fix.

Written 8 Nov 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
7.7 High 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0063, the 50th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:16 UTC First seen by agentprime
  2. 31 Oct 2026, 15:16 UTC Confirmed by OSV

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.