Description

An issue was discovered in Joomla! before 3.9.15. Inadequate escaping of usernames allows XSS attacks in com_actionlogs.

Remediation

References

CVE-2020-8421

Related Vulnerabilities

WordPress Plugin Smash Balloon Social Post Feed Cross-Site Scripting (4.1)

WordPress Plugin WP ULike Multiple Vulnerabilities (3.1)

PostgreSQL Improper Link Resolution Before File Access ('Link Following') Vulnerability (CVE-2017-12172)

WordPress Plugin Smart Manager for WooCommerce & WpeC Multiple Unspecified Vulnerabilities (3.9.13)

WordPress Plugin WPtouch 'wptouch_redirect' Parameter URI Redirection (1.9.32)

Severity

Medium

Classification

CVE-2020-8421 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Tags

Missing Update Known Vulnerabilities