MediaWiki Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2020-25815)

Description

An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().

Remediation

References

CVE-2020-25815

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Severity

Medium

Classification

CVE-2020-25815 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N