CVE-2025-62126 - CVE House

Status published Medium CVE-2025-62126

WordPress Varnish/Nginx Proxy Caching plugin <= 1.8.3 - Sensitive Data Exposure vulnerability

5.3 CVSS

Vulnerability Description

Insertion of Sensitive Information Into Sent Data vulnerability in Razvan Stanga Varnish/Nginx Proxy Caching vcaching allows Retrieve Embedded Sensitive Data.This issue affects Varnish/Nginx Proxy Caching: from n/a through <= 1.8.3.

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:

Legion Hunter | Patchstack Bug Bounty Program

References

https://patchstack.com/database/Wordpress/Plugin/vcaching/vulnerability/wordpress-varnish-nginx-proxy-caching-plugin-1-8-3-sensitive-data-exposure-vulnerability?_s_id=cve

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CVE-2025-48360

WordPress Varnish/Nginx Proxy Caching plugin <= 1.8.3 - Cross Site Scripting (XSS) vulnerability

Medium 5.9

Affected Vendor

Razvan Stanga

View all reports →

Affected Software

Varnish/Nginx Proxy Caching

Vulnerable Versions:

Timeline

Official Publish: December 31st, 2025

Last Modified: April 28th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

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

Weaknesses (CWE)

CWE-201

MITRE ATT&CK TTPs

T1041 Exfiltration Over C2 Channel

Exfiltration

T1040 Network Sniffing

Credential Access

T1557 Adversary-in-the-Middle

Collection

T1552 Unsecured Credentials