CVE-2015-5074

CVE-2015-5074 describes an incomplete blacklist vulnerability in X2Engine X2CRM versions prior to 5.0.9. This flaw allows authenticated attackers to upload files with a .pht extension, leading to arbitrary PHP code execution. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. While not listed on KEV or the Hot List, an exploit is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.