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CVE-2026-15518

MEDIUMCVSS 4.7/10EPSS 0.25%

Last modified

CVE-2026-15518 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. 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. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.7/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CVSS 4.0
2/10

CVSS:4.0/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

EPSS Probability
0.25%

16.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
AREA 17Twill CMS3.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6.0

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-15518?
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.
How severe is CVE-2026-15518?
CVE-2026-15518 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-15518?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST