CVE-2026-73373

CriticalCVSS 9.8/10Last modified Oct 22, 2026

Description

Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The default list of dangerous files did not include SHTML files. On servers that executed these files, that could lead to code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

No affected versions have been published.

Timeline

Published: Aug 18, 2026
Last modified: Oct 22, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-733746.1A stored cross-site scripting (XSS) vulnerability existed in Vulnerability-Lookup in the render_tag_badges Jinja filter used to display refe CVE-2026-733757.1Unauthenticated Cross Site Scripting (XSS) in Ultimate Maps by Supsystic < 1.5.0 versions.CVE-2026-733769.8Unauthenticated PHP Object Injection in Ultimate Maps by Supsystic < 1.5.0 versions.CVE-2026-733777.5Unauthenticated Broken Access Control in Ultimate Maps by Supsystic < 1.5.0 versions.CVE-2026-733787.1Unauthenticated Cross Site Scripting (XSS) in Contact Form by Supsystic < 1.10.0 versions.CVE-2026-733796.5Unauthenticated Bypass Vulnerability in Contact Form by Supsystic < 1.10.0 versions.CVE-2026-73387.5Use after free in Cast in Google Chrome prior to 147.0.7727.138 allowed an attacker on the local network segment to potentially exploit heap CVE-2026-733809.8Unauthenticated PHP Object Injection in Popup by Supsystic <= 1.13.0 versions.CVE-2026-733819.1Unauthenticated Broken Authentication in Popup by Supsystic <= 1.13.0 versions.CVE-2026-733827.1Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Gemini Labs Site Reviews site-reviews CVE-2026-733834.9Shop manager Arbitrary File Download in CTX Feed <= 6.6.47 versions.CVE-2026-733847.5Unauthenticated Sensitive Data Exposure in Pay with Contact Form 7 <= 1.0.4 versions.