Dashboard / CVE-2026-121636

CVE-2026-121636

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 71/100
Published: 2026-11-06 Modified: 2026-11-06 First seen: 2026-11-06 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

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

Description

The Quick Event Manager WordPress plugin before 9.19 does not verify the authenticity of PayPal payment notifications before marking event registrations as paid, which could allow unauthenticated attackers to mark registrations as paid without making a payment.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
Unknown Quick Event Manager 9.9.5 < 9.19
Unknown Quick Event Manager 9.9.5 < 9.19

References & Advisories (1)

Bug Bounty Relevance

71 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

5.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploitation Probability

0.11%
Raw Score 0.001140
Percentile 1.5%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00114
2026-11-12
0.00114
2026-11-10
0.00114
2026-11-09
0.00114
2026-11-08
0.00114
2026-11-07
0.00114
2026-11-06
0.00114

Intelligence Sources

mitre ref →
nvd ref →

External Links