Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-24964

The LiteSpeed Cache WordPress plugin before 4.4.4 does not properly verify that requests are coming from QUIC.cloud servers, allowing attackers to make requests to certain endpoints by using a specific X-Forwarded-For header value. In addition, one of the endpoint could be used to set CSS code if a setting is enabled, which will then be output in some pages without being sanitised and escaped. Combining those two issues, an unauthenticated attacker could put Cross-Site Scripting payloads in pages visited by users.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.148
EPSS Ranking 94.2%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 2.6
Products affected by CVE-2021-24964


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