{"id":"CVE-2026-2942","title":"The ProSolution WP Client plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'proSol_fileUploadProcess' function in all versions up to, and including, 1.9.9","summary":"The ProSolution WP Client plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'proSol_fileUploadProcess' function in all versions up to, and including, 1.9.9. This makes it possible for…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-434"],"published":"2026-04-08","updated":"2026-07-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-2942","references":[{"url":"https://plugins.trac.wordpress.org/browser/prosolution-wp-client/trunk/public/class-prosolwpclient-public.php?rev=3331282#L993","label":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/changeset/3484577/prosolution-wp-client","label":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3852aef6-42e7-4b71-a1ba-dd41284fd07b?source=cve","label":"security@wordfence.com"}],"tags":["nvd","exploit-available"],"epss":0.00578,"epssPercentile":0.46319,"ingestedAt":"2026-07-26T10:11:58.441Z","exploits":{"github":1,"githubRepos":["https://github.com/xxconi/CVE-2026-2942"],"checkedAt":"2026-09-23T07:13:57.895Z"},"exploitAvailable":true,"slug":"CVE-2026-2942","body":"## Overview\n\nThe ProSolution WP Client plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'proSol_fileUploadProcess' function in all versions up to, and including, 1.9.9. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":5066,"id":"CVE-2026-2942","ts":1788887238024,"field":"exploit_available","old":"false","new":"true"},{"seq":3949,"id":"CVE-2026-2942","ts":1788886362270,"field":"exploit_available","old":"true","new":"false"},{"seq":2770,"id":"CVE-2026-2942","ts":1788883028933,"field":"exploit_available","old":"false","new":"true"},{"seq":1799,"id":"CVE-2026-2942","ts":1788882431987,"field":"exploit_available","old":"true","new":"false"},{"seq":905,"id":"CVE-2026-2942","ts":1788881865910,"field":"exploit_available","old":"false","new":"true"}]}