ModSecurity before 2.6.6, when used with PHP, does not properly handle
single quotes not at the beginning of a request parameter value in the
Content-Disposition field of a request with a multipart/form-data
Content-Type header, which allows remote attackers to bypass filtering
rules and perform other attacks such as cross-site scripting (XSS)
attacks. NOTE: this vulnerability exists because of an incomplete fix
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the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
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