What’s Vulnerable › Vulnerabilities

CVE-2015-9270

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-01 · updated 2026-06-17
• Weakness: CWE-79

Description

XSS exists in the the-holiday-calendar plugin before 1.11.3 for WordPress via the thc-month parameter.

Affected products

• Theholidaycalendar Holiday Calendar: before 1.11.3 — fixed in 1.11.3

How to fix

Upgrade to a fixed version: Theholidaycalendar Holiday Calendar 1.11.3. Check the vendor advisory for mitigations.

References

• https://seclists.org/fulldisclosure/2015/Jul/125
• https://wordpress.org/plugins/the-holiday-calendar/#developers
• https://seclists.org/fulldisclosure/2015/Jul/125
• https://wordpress.org/plugins/the-holiday-calendar/#developers

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