Description

An issue was discovered in Special:MediaSearch in the MediaSearch extension in MediaWiki through 1.36.2. The suggestion text (a parameter to mediasearch-did-you-mean) was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the intitle: search operator within the query.

Remediation

References

CVE-2021-42043

Related Vulnerabilities

Drupal Numeric Errors Vulnerability (CVE-2007-5416)

PostgreSQL Out-of-bounds Write Vulnerability (CVE-2015-0242)

Magento Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-8233)

Apache HTTP Server Improper Input Validation Vulnerability (CVE-2017-15715)

Oracle Application Server Other Vulnerability (CVE-2005-3451)

Severity

Medium

Classification

CVE-2021-42043 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities