What’s Vulnerable › Vulnerabilities

CVE-2020-22841

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-09 · updated 2026-06-17
• Weakness: CWE-79

Description

Stored XSS in b2evolution CMS version 6.11.6 and prior allows an attacker to perform malicious JavaScript code execution via the plugin name input field in the plugin module.

Affected products

• b2evolution: before 6.11.6 — fixed in 6.11.6

How to fix

Upgrade to a fixed version: b2evolution 6.11.6. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/161363/b2evolution-CMS-6.11.6-Cross-Site-Scripting.html
• https://github.com/b2evolution/b2evolution/issues/102
• https://www.exploit-db.com/exploits/49551
• http://packetstormsecurity.com/files/161363/b2evolution-CMS-6.11.6-Cross-Site-Scripting.html
• https://github.com/b2evolution/b2evolution/issues/102
• https://www.exploit-db.com/exploits/49551

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