CVE-2025-67555

WordPress UseStrict's Calendly Embedder plugin <= 1.1.7.2 - Cross Site Scripting (XSS) vulnerability

5.9 Medium

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in useStrict UseStrict's Calendly Embedder cal-embedder-lite allows Stored XSS.This issue affects UseStrict's Calendly Embedder: from n/a through <= 1.1.7.2.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.21%Up 0.2 points since Dec 10, 2025

What each source reports

CVE List Score used 5.9

WordPress UseStrict's Calendly Embedder plugin <= 1.1.7.2 - Cross Site Scripting (XSS) vulnerability

Record: CVE-2025-67555
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-202091 5.9

Record: EUVD-2025-202091
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-59m8-jmcc-pxx7 6.5

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

Record: GHSA-59m8-jmcc-pxx7
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 5.9

Record: CVE-2025-67555
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

usestrict usestrict's calendly embedder

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-2025-67555 is a medium vulnerability (CVSS 5.9) in Usestrict Usestrict's Calendly Embedder, published December 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.