What is GHSA-x373-x8fh-6pfh?

GHSA-x373-x8fh-6pfh is a security advisory published by GitHub Security Advisories with Medium severity. Joomla Extension - joomlaeventmanager.net - Reflected XSS via the PDF export link in Joomla...

Which CVE IDs does GHSA-x373-x8fh-6pfh cover?

GHSA-x373-x8fh-6pfh covers the following CVE IDs: CVE-2026-77989. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-x373-x8fh-6pfhMedium

Joomla Extension - joomlaeventmanager.net - Reflected XSS via the PDF export link in Joomla...

Vendor

GitHub Security Advisories

Published

August 27, 2026

Last Modified

August 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-77989 →

📋 Description

Joomla Extension - joomlaeventmanager.net - Reflected XSS via the PDF export link in Joomla Events Manager < 5.0.1 - buildCurrentPdfLink copies the current request query string into the PDF button URL, and pdfbutton() echoes it unescaped, leading to an reflected XSS vector.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-77989
https://www.joomlaeventmanager.net
https://github.com/advisories/GHSA-x373-x8fh-6pfh