What’s Vulnerable › Vulnerabilities

CVE-2021-42558

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-12 · updated 2026-06-17
• Weakness: CWE-79

Description

An issue was discovered in CALDERA 2.8.1. It contains multiple reflected, stored, and self XSS vulnerabilities that may be exploited by authenticated and unauthenticated attackers.

Affected products

• MITRE Caldera: through 2.8.1

References

• https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42558-Multiple%20XSS-MITRE%20Caldera
• https://github.com/mitre/caldera/releases
• https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42558-Multiple%20XSS-MITRE%20Caldera
• https://github.com/mitre/caldera/releases

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