CVE-2026-18644
danpros HTMLy Delete Username Endpoint htmly.php unlink path traversal
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 3, 2026
- Updated
- Aug 3, 2026
- Reserved
- Aug 3, 2026
Description
A vulnerability was identified in danpros HTMLy up to 3.1.1. Affected by this issue is the function unlink of the file /system/htmly.php of the component Delete Username Endpoint. Such manipulation of the argument File leads to path traversal. The attack can be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.4 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.5 Medium | AV:N/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-22 Path Traversal
Affected Products
| Product | Versions |
|---|---|
HTMLydanpros |
|
References
- VDB-385563 | danpros HTMLy Delete Username Endpoint htmly.php unlink path traversalvdb-entrytechnical-description
- VDB-385563 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-18644 | CVE Analysis and Reportthird-party-advisory
- Submit #854991 | danpros htmly v3.1.1 (latest) Path Traversalthird-party-advisory
- https://github.com/orionyan520/cve_report/issues/5exploitissue-tracking
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