CVE-2024-34555
Published: 14 May 2024
Summary
CVE-2024-34555 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability. Its CVSS base score is 10.0 (Critical).
Operationally, ranked in the top 7.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability is an unrestricted upload of a file with dangerous type, tracked as CWE-434, in the Z-Downloads WordPress plugin developed by URBAN BASE. It affects all versions through 1.11.3 and carries a CVSS 3.1 score of 10.0, reflecting a remotely exploitable flaw with no required authentication or user interaction that can impact confidentiality, integrity, and availability across security boundaries.
An unauthenticated attacker with network access can upload arbitrary files of dangerous types to the affected WordPress site. Successful exploitation allows the attacker to place and potentially execute malicious content, leading to full site compromise including data theft, defacement, or further lateral movement within the hosting environment.
The issue is documented in the Patchstack vulnerability database as an arbitrary file upload flaw in Z-Downloads 1.11.3 and earlier. The associated EPSS score remains low, with a current value of 0.0831 and a peak of 0.0852, indicating limited observed exploitation interest to date.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-34858
Vulnerability details
Unrestricted Upload of File with Dangerous Type vulnerability in URBAN BASE Z-Downloads.This issue affects Z-Downloads: from n/a through 1.11.3.
- 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.
Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.
Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.
Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.
Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.