CVE-2020-5842

6.1 mediumEPSS 1.8%

Medium (6.1) in codologic codoforum. EPSS 1.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2020-01-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

codologic:codoforum

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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