Description
The sapi_header_op function in main/SAPI.c in PHP before 5.4.38, 5.5.x before 5.5.22, and 5.6.x before 5.6.6 supports deprecated line folding without considering browser compatibility, which allows remote attackers to conduct cross-site scripting (XSS) attacks against Internet Explorer by leveraging (1) %0A%20 or (2) %0D%0A%20 mishandling in the header function.
Remediation
References
Related Vulnerabilities
WordPress Plugin WP Custom Pages 'url' Parameter Local File Disclosure (0.5.0.1)
Drupal Core 9.1.x Cross-Site Scripting (9.1.0 - 9.1.6)
Liferay Portal Incorrect Default Permissions Vulnerability (CVE-2022-42128)
WordPress Plugin WP Helper Premium Cross-Site Scripting (4.2)
OpenSSL Improper Access Control Vulnerability (CVE-2016-7054)