Improper path validation in promecefpluginhost.exe in Kingsoft WPS Office version ranging from 12.2.0.13110 to 12.2.0.16412 (exclusive) on Windows allows an attacker to load an arbitrary Windows library. The vulnerability was found weaponized as a single-click exploit in the form of a deceptive spreadsheet document

Improper path validation in promecefpluginhost.exe in Kingsoft WPS Office version ranging from 12.2.0.13110 to 12.2.0.13489 on Windows allows an attacker to load an arbitrary Windows library. Using the MHTML format allows an attacker to automatically deliver a malicious library on opening the document and a single user click on a crafted hyperlink leads to the execution of the library.

KINGSOFT JAPAN, INC. provides Kingsoft Office Software&#39;s WPS Office and its related products localized for Japan.<br /> WPS Office and its related products provided by KINGSOFT JAPAN, INC. contain a path traversal vulnerability (CWE-22, CVE-2024-7262, CVE-2024-7263)) due to inadequate file path validation by promecefpluginhost.exe.<br /> Note that, a report has been published describing that &quot;WPS Office&nbsp;provided by Kingsoft Office Software is affected to this vulnerability and exploitation is observed&quot;.<br /> KINGSOFT JAPAN, INC. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and KINGSOFT JAPAN, INC. coordinated under the Information Security Early Warning Partnership.