CVE-2025-66118

WordPress Sprout Clients plugin <= 3.2.1 - Cross Site Scripting (XSS) vulnerability

7.1 High

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in BoldGrid Sprout Clients sprout-clients allows Reflected XSS.This issue affects Sprout Clients: from n/a through <= 3.2.1.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.18%Up 0.1 points since Dec 18, 2025

What each source reports

CVE List Score used 7.1

WordPress Sprout Clients plugin <= 3.2.1 - Cross Site Scripting (XSS) vulnerability

Record: CVE-2025-66118
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-204042 7.1

Record: EUVD-2025-204042
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9wfr-9m87-fjx4 7.1

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Record: GHSA-9wfr-9m87-fjx4
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 7.1

Record: CVE-2025-66118
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

boldgrid sprout clients

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-66118 is a high vulnerability (CVSS 7.1) in Boldgrid Sprout Clients, published December 18, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.