CVE-2026-18644

MEDIUM

danpros HTMLy Delete Username Endpoint htmly.php unlink path traversal

Title source: cna
STIX 2.1

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.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-385563 | danpros HTMLy Delete Username Endpoint htmly.php unlink path traversal
https://vuldb.com/vuln/385563
Signature, Permissions Required signature permissions-required
VDB-385563 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/385563/cti
Third Party Advisory third-party-advisory
CVE-2026-18644 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-18644
Third Party Advisory third-party-advisory
Submit #854991 | danpros htmly v3.1.1 (latest) Path Traversal
https://vuldb.com/submit/854991

Scores

CVSS v3 5.4
EPSS 0.0037
EPSS Percentile 30.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (2)
danpros/HTMLy 3.1.0
danpros/HTMLy 3.1.1
Published Aug 03, 2026
Tracked Since Aug 04, 2026