CVE-2026-78073 MEDIUM

CVE-2026-78073: Joomla Extension - j2commerce.com - Reflected XSS attribute in All Video Share 1.0.0-4.5.0

Vendor Mrvinoth.com

Product All Video Share extension for Joomla

Weakness CWE-79 · XSS

Published August 28, 2026

Last update August 28, 2026

View on NVD All CVEs

CVSS base score

5.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction —

Confidentiality —

Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Joomla Extension - mrvinoth.com - Reflected XSS in All Video Share 1.0.0-4.5.0 - Various user supplied inputs lacked escaping, leading to reflected XSS vectors

Explanation of Vulnerability in Simple Terms

02Summary

The All Video Share extension for Joomla contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the site. An attacker can craft a malicious link or page that, when visited by a site user, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in users' browsers when they visit a crafted page or link.

Potential impact on your site

04Site Impact

Visitors to your site may have their sessions hijacked, credentials stolen, or see defaced content.

Conditions required to exploit

05Prerequisites

A site user must visit a page or click a link containing the attacker's malicious payload.

Key dates

06Disclosure timeline

August 28, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-78073 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities

Identifiers

CVE CVE-2026-78073

CWE CWE-79

CVSS 5.3 / MEDIUM

Affected versions