Sensitive Information Exposure in Yandex Market Plugin by WordPress
CVE-2026-120548

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Yml For Yandex Market
Vendor
CVE Published:
7 November 2026

What is CVE-2026-120548?

The Yandex Market plugin for WordPress is susceptible to sensitive information exposure, enabling unauthenticated attackers to retrieve the merchant's Yandex Market API key from a publicly accessible log file. This vulnerability exists in all versions up to and including 5.10.0, specifically through the 'y4ym_check_action' parameter. If the targeted feed stores the API key and the logging feature is enabled, attackers could gain extensive control over the merchant's catalog, including prices and inventory.

Affected Version(s)

YML for Yandex Market 0 <= 5.10.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/yml-for-yandex...
https://plugins.trac.wordpress.org/browser/yml-for-yandex...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kuba
.