CVE-2024-30427: WordPress Spiffy Calendar plugin <= 4.9.7 - Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-29 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Spiffy Plugins Spiffy Calendar allows Reflected XSS.This issue affects Spiffy Calendar: from n/a through 4.9.7.

Affected products

Spiffy Plugins Spiffy Calendar: before 4.9.10 — fixed in 4.9.10

How to fix

Upgrade to a fixed version: Spiffy Plugins Spiffy Calendar 4.9.10. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/spiffy-calendar/wordpress-spiffy-calendar-plugin-4-9-7-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/spiffy-calendar/wordpress-spiffy-calendar-plugin-4-9-7-cross-site-scripting-xss-vulnerability?_s_id=cve

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