CVE-2026-18645

danpros HTMLy Admin Content Endpoint admin.php add_content path traversal

MEDIUM
5.4
CVSS Score
Published: August 3, 2026 at 08:15 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 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.

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/385564
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/385564/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-18645
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/854994
ExploitIssue Tracking
Source: cverecord
https://github.com/orionyan520/cve_report/issues/6

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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