CVE-2026-18644

danpros HTMLy Delete Username Endpoint htmly.php unlink path traversal

MEDIUM
5.4
CVSS Score
Published: August 3, 2026 at 08:00 PM UTC
Updated: October 23, 2026 at 09:10 PM UTC
2 products affected across 2 vendorsHtmlyHTMLy

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/385563
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/385563/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-18644
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/854991
ExploitIssue Tracking
Source: cverecord
https://github.com/orionyan520/cve_report/issues/5

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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