CVE-2026-15518
AREA 17 Twill CMS Media Library Insert FileLibraryController.php storeFile unrestricted upload
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.
INFO
Published Date :
July 13, 2026, 1:17 a.m.
Last Modified :
July 13, 2026, 1:17 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update Twill CMS to version 3.6.1 or later.
- Apply vendor patches if available.
- Restrict file upload types and sizes.
- Validate all file uploads server-side.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-15518.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-15518 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-15518
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-15518 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-15518 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 13, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:area_17:twill_cms:*:*:*:*:*:*:*:*'], 'vendor': 'AREA 17', 'modules': ['Media Library Insert Page'], 'product': 'Twill CMS', 'versions': [{'status': 'affected', 'version': '3.0'}, {'status': 'affected', 'version': '3.1'}, {'status': 'affected', 'version': '3.2'}, {'status': 'affected', 'version': '3.3'}, {'status': 'affected', 'version': '3.4'}, {'status': 'affected', 'version': '3.5'}, {'status': 'affected', 'version': '3.6.0'}]}] Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:M/C:P/I:P/A:P) Added CWE CWE-284 Added CWE CWE-434 Added Reference https://bytium.com/insights/authenticated-arbitrary-file-upload-to-rce-in-twill-cms Added Reference https://vuldb.com/cve/CVE-2026-15518 Added Reference https://vuldb.com/submit/849572 Added Reference https://vuldb.com/vuln/377847 Added Reference https://vuldb.com/vuln/377847/cti