CVE-2026-24943: WordPress Grand Conference theme <= 5.3.4 - Reflected Cross Site Scripting (XSS) vulnerability

Severity: high (CVSS 7.1 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: 2026-02-20 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeGoods Grand Conference grandconference allows Reflected XSS.This issue affects Grand Conference: from n/a through <= 5.3.4.

Affected products

ThemeGoods Grand Conference: through 5.3.4

References

https://patchstack.com/database/Wordpress/Theme/grandconference/vulnerability/wordpress-grand-conference-plugin-5-3-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

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