CVE-2026-103310

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 71/100
Published: 2026-11-02 Modified: 2026-11-02 First seen: 2026-11-02 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 PayHere Payment Gateway WordPress plugin from 2.4.0 through 2.4.5 does not verify the authenticity of payment notifications when the merchant secret is unset, which is the default state, allowing unauthenticated attackers to forge a payment confirmation and mark any order as paid without payment.

Weakness Classification (1)

Affected Software (2)

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
2026-11-05
0.00114
2026-11-04
0.00114
2026-11-03
0.00114

Intelligence Sources

mitre ref →
nvd ref →