Booklovers
Monthly
Unauthenticated PHP object injection in the ThemeREX Group 'Booklovers' WordPress theme (all versions through 2.13.0) lets remote attackers feed attacker-controlled serialized data into a PHP unserialize() call, which can corrupt or hijack application logic and, given a reachable gadget chain, escalate to code execution, arbitrary file write, or file deletion. The vulnerability carries a CVSS 3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), meaning no authentication or user interaction is required on a default install, and there is no public exploit identified at time of analysis and no confirmed active exploitation (not in CISA KEV). The practical severity ceiling depends on whether a usable POP gadget chain exists in the theme itself, its bundled plugins, or WordPress core - absent such a chain, exploitation is largely limited to object instantiation with constrained real-world impact.
Unauthenticated PHP object injection in the ThemeREX Group 'Booklovers' WordPress theme (all versions through 2.13.0) lets remote attackers feed attacker-controlled serialized data into a PHP unserialize() call, which can corrupt or hijack application logic and, given a reachable gadget chain, escalate to code execution, arbitrary file write, or file deletion. The vulnerability carries a CVSS 3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), meaning no authentication or user interaction is required on a default install, and there is no public exploit identified at time of analysis and no confirmed active exploitation (not in CISA KEV). The practical severity ceiling depends on whether a usable POP gadget chain exists in the theme itself, its bundled plugins, or WordPress core - absent such a chain, exploitation is largely limited to object instantiation with constrained real-world impact.