What’s Vulnerable › Vulnerabilities

CVE-2020-11000: Improper URL validation in GreenBrowser

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-08 · updated 2026-06-17
• Weakness: CWE-939

Description

GreenBrowser before version 1.2 has a vulnerability where apps that rely on URL Parsing to verify that a given URL is pointing to a trust server may be susceptible to many different ways to get URL parsing and verification wrong, which allows an attacker to circumvent the access control. This problem has been patched in version 1.2.

Affected products

• luchua-bc GreenBrowser: before 1.2 — fixed in 1.2

How to fix

Upgrade to a fixed version: luchua-bc GreenBrowser 1.2. Check the vendor advisory for mitigations.

References

• https://github.com/luchua-bc/GreenBrowser/commit/5e257e0db4f2a08cf05f00756e5961ee873e481b
• https://github.com/luchua-bc/GreenBrowser/security/advisories/GHSA-7x3j-7x5w-8g7w
• https://github.com/luchua-bc/GreenBrowser/commit/5e257e0db4f2a08cf05f00756e5961ee873e481b
• https://github.com/luchua-bc/GreenBrowser/security/advisories/GHSA-7x3j-7x5w-8g7w

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