CVE-2026-24943

HIGH 7.1

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

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	themegoods
Product	grand conference
Published	Feb 20, 2026
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

ThemeGoods / Grand Conference

0 ≤ 5.3.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program