Description
HRConvert2 is a self-hosted, drag-and-drop & nosql file conversion server & share tool. Prior to 3.3.8, the sanitizeString() function in convertCore.php is missing backtick (`) and tab (\t) from its strip list. User input then reaches shell_exec(), where the shell interprets these characters and commands within filenames execute. This vulnerability is fixed in 3.3.8.
Published: 2026-05-14
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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History

Fri, 15 May 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 15 May 2026 11:45:00 +0000

Type Values Removed Values Added
First Time appeared Zelon88
Zelon88 hrconvert2
Vendors & Products Zelon88
Zelon88 hrconvert2

Thu, 14 May 2026 20:45:00 +0000

Type Values Removed Values Added
Description HRConvert2 is a self-hosted, drag-and-drop & nosql file conversion server & share tool. Prior to 3.3.8, the sanitizeString() function in convertCore.php is missing backtick (`) and tab (\t) from its strip list. User input then reaches shell_exec(), where the shell interprets these characters and commands within filenames execute. This vulnerability is fixed in 3.3.8.
Title HRConvert2: Missing Sanitization enables Unauthenticated Remote Command Execution
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L'}


Subscriptions

Zelon88 Hrconvert2
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-15T13:34:48.461Z

Reserved: 2026-05-07T16:20:08.659Z

Link: CVE-2026-44666

cve-icon Vulnrichment

Updated: 2026-05-15T13:34:35.657Z

cve-icon NVD

Status : Deferred

Published: 2026-05-14T21:16:47.370

Modified: 2026-05-15T15:16:53.630

Link: CVE-2026-44666

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-15T11:21:04Z

Weaknesses