CVE Explorer
CVE-2026-6555
The ProSolution WP Client plugin for WordPress is vulnerable to Arbitrary File Upload in versions up to, and including, 2.0.0. This is due to an array validation mismatch where only the first file in the upload array undergoes extension and MIME type validation, while all files are processed and uploaded to a web-accessible directory. This makes it possible for unauthenticated attackers to upload malicious PHP files and achieve remote code execution by sending a valid first file followed by a ma
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"ProSolution WP Client","vendor":"prosolution","versions":[{"lessThanOrEqual":"2.0.0","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-434","description":"CWE-434 Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/problemTypes/0/descriptions/0
Source references
10 source assertions{"url":"https://plugins.trac.wordpress.org/browser/prosolution-wp-client/tags/2.0.0/includes/UploadHandler.php#L1345"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/browser/prosolution-wp-client/tags/2.0.0/includes/UploadHandler.php#L384"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/references/6
{"url":"https://plugins.trac.wordpress.org/browser/prosolution-wp-client/tags/2.0.0/public/class-prosolwpclient-public.php#L1072"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/prosolution-wp-client/tags/2.0.0/public/class-prosolwpclient-public.php#L998"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/references/8
{"url":"https://plugins.trac.wordpress.org/browser/prosolution-wp-client/trunk/includes/UploadHandler.php#L1345"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/prosolution-wp-client/trunk/includes/UploadHandler.php#L384"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/references/5
{"url":"https://plugins.trac.wordpress.org/browser/prosolution-wp-client/trunk/public/class-prosolwpclient-public.php#L1072"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/prosolution-wp-client/trunk/public/class-prosolwpclient-public.php#L998"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/references/7
{"url":"https://plugins.trac.wordpress.org/changeset/3535622/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/references/9
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/0b870d35-7e10-4fb5-8c3b-2bf299d1f3d5?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:700841641b999842e143467627a65cea20ba23ec979662d09f30d0de5d5dda63 · sha256:c773b36f7f11fec2… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.