What’s Vulnerable › Vulnerabilities

CVE-2020-17476

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-10 · updated 2026-06-17
• Weakness: CWE-79

Description

Mibew Messenger before 3.2.7 allows XSS via a crafted user name.

Affected products

• Mibew Messenger: before 3.2.7 — fixed in 3.2.7

How to fix

Upgrade to a fixed version: Mibew Messenger 3.2.7. Check the vendor advisory for mitigations.

References

• https://github.com/Mibew/mibew/commit/84f5bca0a90b2fe470e35e9b5121548ccce0093c
• https://mibew.org/announcements/2020/07/09/mibew-messenger-3-2-7-has-been-released
• https://github.com/Mibew/mibew/commit/84f5bca0a90b2fe470e35e9b5121548ccce0093c
• https://mibew.org/announcements/2020/07/09/mibew-messenger-3-2-7-has-been-released

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