CVE-2023-49819: 
WordPress vulnerability analysis and mitigation

A Deserialization of Untrusted Data vulnerability was identified in the WordPress Structured Content (JSON-LD) #wpsc plugin, tracked as CVE-2023-49819. The vulnerability affects versions through 1.5.3 of the plugin, which was discovered by researcher LVT-tholv2k and reported on October 29, 2023. The vulnerability was officially published on December 5, 2023 (Patchstack).

The vulnerability is classified as a PHP Object Injection issue, which falls under the CWE-502 (Deserialization of Untrusted Data) category. It received a CVSS v3.1 base score of 9.8 (CRITICAL) from NIST with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, while Patchstack assessed it with a CVSS score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H (NVD).

The vulnerability could potentially allow malicious actors to execute code injection, SQL injection, path traversal, or denial of service attacks if a proper POP chain is present. The specific impact varies case by case (Patchstack).

The vulnerability has been fixed in version 1.6 of the Structured Content plugin. Users are advised to update to version 1.6 or later to remove the vulnerability. Patchstack users have the option to enable auto-update for vulnerable plugins (Patchstack).