CVE-2025-67259

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 63/100
Published: 2026-04-24 Modified: 2026-11-04 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact

CVSS Vector Breakdown

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

Description

A Broken Access Control vulnerability exists in ClassroomIO v0.1.13 where an authenticated low-privileged "student" user can access unauthorized course-level information by modifying intercepted API requests. Changing a captured POST request to a GET request against the /rest/v1/course PostgREST endpoint results in disclosure of sensitive information including other students details, tutor/admin profiles, and internal course metadata.

Weakness Classification (2)

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

0.21%
Raw Score 0.002120
Percentile 11.6%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00212
2026-11-13
0.00212
2026-11-12
0.00212
2026-11-10
0.00212
2026-11-09
0.00212
2026-11-08
0.00212
2026-11-07
0.00212
2026-11-06
0.00212
2026-11-05
0.00212
2026-11-04
0.00212

Intelligence Sources

nvd ref →