CVE-2026-15518

AREA 17 Twill CMS Media Library Insert FileLibraryController.php storeFile unrestricted upload

MEDIUM
4.7
CVSS Score
Published: July 13, 2026 at 12:45 AM UTC
Updated: October 24, 2026 at 10:10 PM UTC
2 products affected across 2 vendorstwill_cmsTwill

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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

A vulnerability has been found in AREA 17 Twill CMS up to 3.6.0. The impacted element is the function FileLibraryController::storeFile of the file src/Http/Controllers/Admin/FileLibraryController.php of the component Media Library Insert Page. Such manipulation of the argument qqfilename leads to unrestricted upload. The attack can be executed remotely. The exploit has been disclosed to the public and may 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/377847
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/377847/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-15518
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/849572

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

4.7MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434CWE-284

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