CVE intelligence and bounded remediation
CVE-2023-2180 — Kiwiz Invoices Certification & Pdf System Project Kiwiz Invoices Certif… security vulnerability
High
CVSS 7.5
The KIWIZ Invoices Certification & PDF System WordPress plugin through 2.1.3 does not validate the path of files to be downloaded, which could allow unauthenticated attacker to read/downlaod arbitrary files, as well as perform PHAR unserialization (assuming they can upload a file on the server)
- Severity
- High
- CVSS
- 7.5 (3.1)
- Published
- 2023-05-15
- CISA KEV
- Not currently listed
- Ecosystem
- php/wordpress
Affected products
- kiwiz_invoices_certification_&_pdf_system_project / kiwiz_invoices_certification_&_pdf_system
Matched remediation archetype
Path traversal, unsafe upload, and file handling
This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.
Check exposure
- Trace untrusted filenames, archive entries, URLs, and path segments into read, write, include, extraction, and upload operations.
- Identify filesystem roots, mount permissions, symbolic-link behavior, archive handling, and whether uploaded content is web-accessible or executable.
- Review canonicalization and containment checks across supported operating systems and storage backends.
Remediate safely
- Generate server-side storage identifiers and resolve paths beneath a fixed root using filesystem-aware containment checks.
- Reject absolute, parent-relative, alternate-separator, device, link, and archive entries that escape the intended root.
- Store uploads outside executable or served paths, validate type and size, and use private atomic temporary files.
Authoritative sources
Complete CVE record and remediation plan
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