What’s Vulnerable › Vulnerabilities

CVE-2020-5842

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-01-07 · updated 2026-06-17
• Weakness: CWE-79

Description

Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/register URI. The payload is, for example, executed on the admin/index.php?page=users/manage page.

Affected products

• Codologic Codoforum: 4.8.3

References

• https://medium.com/%40prasanthc41m/cve-2020-5842-stored-xss-vulnerability-in-codoforum-4-8-3-b2e1133c6a91
• https://www.exploit-db.com/exploits/47876
• https://medium.com/%40prasanthc41m/cve-2020-5842-stored-xss-vulnerability-in-codoforum-4-8-3-b2e1133c6a91
• https://www.exploit-db.com/exploits/47876

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