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TI-2026-13057 Aliases CVE-2026-15518GHSA-q9gx-wp22-jh5r

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

Priority MEDIUM 56CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass, Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00376 31st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AREA 17Twill CMS3.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6.0—No fix listedCNA
  • Twill CMS VendorAREA 17 Affected 3.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:area_17:twill_cms:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:area_17:twill_cms:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15518
  2. 2026-10-03 Alias added: GHSA-q9gx-wp22-jh5r

References

Exploit 1

  • TI-2021-02839 Cross-Site Request Forgery (CSRF) in area17/twill CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences