CVE-2023-6623
Published: 15 January 2024
Summary
CVE-2023-6623 is a critical-severity Path Traversal (CWE-22) vulnerability in Wpdeveloper Essential Blocks. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 0.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
The Essential Blocks WordPress plugin before version 4.4.3 contains a vulnerability that allows unauthenticated attackers to overwrite local variables during template rendering over the REST API, which can result in local file inclusion. The issue is tracked as CVE-2023-6623, carries a CVSS 3.1 score of 9.8, and is associated with CWE-22.
Unauthenticated remote attackers can exploit the flaw over the network without user interaction to read arbitrary files or potentially execute code on the affected WordPress site, achieving impacts across confidentiality, integrity, and availability.
Public advisories from WPScan state that the vulnerability is resolved in Essential Blocks 4.4.3, indicating that administrators should apply the update to eliminate the exposure.
The CVE maintains a high EPSS score with a current value of 0.8812 and a recorded peak of 0.8959.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-58846
Vulnerability details
The Essential Blocks WordPress plugin before 4.4.3 does not prevent unauthenticated attackers from overwriting local variables when rendering templates over the REST API, which may lead to Local File Inclusion attacks.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Validates pathnames and filenames to prevent traversal outside intended directories.