CVE-2026-18645

MEDIUM

danpros HTMLy Admin Content Endpoint admin.php add_content path traversal

Title source: cna
STIX 2.1

Description

A security flaw has been discovered in danpros HTMLy up to 3.1.1. This affects the function add_content of the file /system/admin/admin.php of the component Admin Content Endpoint. Performing a manipulation of the argument oldfile results in path traversal. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. 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-385564 | danpros HTMLy Admin Content Endpoint admin.php add_content path traversal
https://vuldb.com/vuln/385564
Signature, Permissions Required signature permissions-required
VDB-385564 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/385564/cti
Third Party Advisory third-party-advisory
CVE-2026-18645 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-18645
Third Party Advisory third-party-advisory
Submit #854994 | danpros htmly v3.1.1 (latest) Arbitrary File Move
https://vuldb.com/submit/854994

Scores

CVSS v3 5.4
EPSS 0.0043
EPSS Percentile 35.1%
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