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TI-2020-04297 Aliases CVE-2020-5241GHSA-3jqw-vv45-mjhh

XSS/Script injection vulnerability in matestack

Priority LOW 35CWE-80Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
High
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-80.

Summary

matestack-ui-core (RubyGem) before 0.7.4 is vulnerable to XSS/Script injection. This vulnerability is patched in version 0.7.4.

Why it matters now

EPSS 0.00627 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed matestack-ui-core (matestack): 0.7.4matestack-ui-core (RubyGems): 0.7.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
matestackmatestack-ui-corebefore 0.7.40.7.4Patch availableCNA
—matestack-ui-core (RubyGems)before 0.7.40.7.4Patch availableGHSA-3jqw-vv45-mjhh
  • matestack-ui-core Vendormatestack Affected before 0.7.4 Fixed in 0.7.4 Patch available CNA
  • matestack-ui-core (RubyGems) Vendor— Affected before 0.7.4 Fixed in 0.7.4 Patch available GHSA-3jqw-vv45-mjhh

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:matestack:ui-core:*:*:*:*:*:ruby:*:*before 0.7.4Vulnerablematestack
  • cpe:2.3:a:matestack:ui-core:*:*:*:*:*:ruby:*:* Versions before 0.7.4 Vulnerable ·matestack

Remediation

  • Fix · CNA matestack-ui-core (matestack) Fixed in 0.7.4
  • Fix · GHSA-3jqw-vv45-mjhh matestack-ui-core (RubyGems) Fixed in 0.7.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-5241
  2. 2026-10-03 Alias added: GHSA-3jqw-vv45-mjhh
  3. 2026-10-30 EPSS moved to the 50th–90th percentile

References

Exploit 1

Advisory 1

Other 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences