Kingsoft WPS Office Path Traversal Vulnerability
Kingsoft WPS Office contains a path traversal vulnerability in promecefpluginhost.exe on Windows that allows an attacker to load an arbitrary Windows library.
A local attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2024-09-24 under CISA BOD 22-01.
This is a Path Traversal (CWE-22) vulnerability in Kingsoft WPS Office. 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 Exploitation requires local access, low attack complexity, no authentication required, and user interaction required.
Probably yes if any of these apply:
CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2024-09-03 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2024-09-24.
Manual remediation steps
Apply the Vendor Patch
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
References
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References