Dashboard / CVE-2026-118167

CVE-2026-118167

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 MC4WP: Mailchimp for WordPress plugin before 4.15.0 does not validate that the Mailchimp audience a sign-up form or bundled integration subscribes a visitor to matches the audience configured by the site owner, allowing unauthenticated visitors to subscribe arbitrary email addresses to any other audience in the site's connected Mailchimp account.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
Unknown MC4WP: Mailchimp for WordPress 0 < 4.15.0
Unknown MC4WP: Mailchimp for WordPress 0 < 4.15.0

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

0.21%
Raw Score 0.002140
Percentile 11.9%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00214
2026-11-12
0.00214
2026-11-10
0.00214
2026-11-09
0.00214
2026-11-08
0.00214
2026-11-07
0.00214
2026-11-06
0.00142

Intelligence Sources

mitre ref →
nvd ref →

External Links