CVE-2026-118090

HIGH
MEDIUM Priority: 0.04 BB Relevance: 68/100
Published: 2026-10-30 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: High

Description

Subscriber PHP Object Injection in MasterStudy LMS <= 3.7.55 versions.

Affected Software (2)

VendorProductVersion
Stylemix MasterStudy LMS n/a
Stylemix MasterStudy LMS n/a

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.45%
Raw Score 0.004460
Percentile 38.9%
Date 2026-10-31

Intelligence Sources

mitre ref →
nvd ref →