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A critical Deserialization of Untrusted Data vulnerability was discovered in the HotStar – Multi-Purpose Business Theme WordPress theme, tracked as CVE-2025-31069. The vulnerability affects versions through 1.4 and was discovered by Tran Nguyen Bao Khanh from VCI - VNPT Cyber Immunity. The issue was initially reported on March 31, 2025, and publicly disclosed on May 19, 2025 (Patchstack).
The vulnerability is classified as a PHP Object Injection issue (CWE-502) that allows for the deserialization of untrusted data. It has received a Critical CVSS v3.1 score of 9.8, with a vector string of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating network accessibility, low attack complexity, and no required privileges or user interaction (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 high CVSS score of 9.8 indicates that this vulnerability is highly dangerous and is expected to become mass exploited (Patchstack).
Currently, no official fix is available for this vulnerability. However, Patchstack has issued a virtual patch to mitigate the issue by blocking potential attacks until an official fix becomes available. Website owners are advised to implement mitigation measures immediately (Patchstack).
Source: This report was generated using AI
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