What’s Vulnerable › Vulnerabilities

CVE-2020-5840

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-06 · updated 2026-06-17
• Weakness: CWE-22

Description

An issue was discovered in HashBrown CMS before 1.3.2. Server/Entity/Resource/Connection.js allows an attacker to reach a parent directory via a crafted name or ID field.

Affected products

• HashBrownCMS Hashbrown Cms: before 1.3.2 — fixed in 1.3.2

How to fix

Upgrade to a fixed version: HashBrownCMS Hashbrown Cms 1.3.2. Check the vendor advisory for mitigations.

References

• https://github.com/HashBrownCMS/hashbrown-cms/compare/v1.3.1...v1.3.2
• https://github.com/HashBrownCMS/hashbrown-cms/releases/tag/v1.3.2
• https://github.com/HashBrownCMS/hashbrown-cms/compare/v1.3.1...v1.3.2
• https://github.com/HashBrownCMS/hashbrown-cms/releases/tag/v1.3.2

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