CVE-2025-67555 - CVE House
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Status published Medium CVE-2025-67555

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

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Nabil Irawan | Patchstack Bug Bounty Program

References

More from useStrict

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CVE-2025-49962
WordPress bbPress Notify plugin <= 2.19.5 - Cross Site Scripting (XSS) vulnerability
High 7.1

Affected Vendor

Affected Software

UseStrict's Calendly Embedder
Vulnerable Versions:
0

Timeline

Official Publish: December 9th, 2025
Last Modified: April 28th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact