What’s Vulnerable › Vulnerabilities

CVE-2020-5241: XSS/Script injection vulnerability in matestack

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-13 · updated 2026-06-17
• Weakness: CWE-80

Description

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

Affected products

• matestack-ui-core: before 0.7.4 — fixed in 0.7.4

How to fix

Upgrade to a fixed version: matestack-ui-core 0.7.4. Check the vendor advisory for mitigations.

References

• https://github.com/matestack/matestack-ui-core/security/advisories/GHSA-3jqw-vv45-mjhh
• https://github.com/matestack/matestack-ui-core/security/advisories/GHSA-3jqw-vv45-mjhh

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