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CVE-2025-9852: Yoga Schedule Momoyoga <= 2.9.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-30 · updated 2026-06-17
• Weakness: CWE-79

Description

The Yoga Schedule Momoyoga plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'momoyoga-schedule' shortcode in all versions up to, and including, 2.9.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• momostefan Yoga Schedule Momoyoga: through 2.9.0

References

• https://plugins.trac.wordpress.org/browser/momoyoga-integration/tags/2.9.0/momoyoga-schedule.php#L56
• https://plugins.trac.wordpress.org/browser/momoyoga-integration/tags/2.9.1/momoyoga-schedule.php#L56
• https://www.wordfence.com/threat-intel/vulnerabilities/id/745da770-dd78-4ffb-ae15-4b90682911e3?source=cve

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