Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX Dixon dixon allows P...
Description
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX Dixon dixon allows PHP Local File Inclusion
Remediation
Apply vendor security updates immediately. Monitor for exploitation attempts and review access logs.
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VENDOR: Mozilla
PRODUCT: DOM: Core & HTML component
AFFECTED_VERSIONS: See vendor advisory for affected versions
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Description Summary:
A use-after-free vulnerability in the DOM: Core & HTML component could allow for memory corruption and potential code execution via malicious web content.
Executive Summary:
A critical use-after-free vulnerability in the DOM component of web browsers allows unauthenticated attackers to execute arbitrary code through specially crafted web pages.
Vulnerability Details
CVE-ID: CVE-2026-2798
Affected Software: Mozilla DOM: Core & HTML component
Affected Versions: See vendor advisory for affected versions
Vulnerability: This is a use-after-free vulnerability occurring within the DOM: Core & HTML component. An unauthenticated remote attacker can exploit this by enticing a user to visit a malicious website, leading to memory corruption and potentially arbitrary code execution within the context of the browser.
Business Impact
Exploitation of this vulnerability can lead to the total compromise of the user's workstation, allowing for data theft, malware installation, and further lateral movement within the corporate network. With a CVSS score of 8.8, this represents a high risk to organizational security, particularly for employees accessing the internet from corporate devices.
Remediation Plan
Immediate Action: Update all affected web browsers to the latest versions provided by the vendor to patch the underlying memory management flaw.
Proactive Monitoring: Utilize endpoint detection and response (EDR) tools to monitor for suspicious browser child processes or unexpected memory access patterns.
Compensating Controls: Implement web filtering to block access to known malicious domains and use browser isolation technologies to execute untrusted web content in a secure sandbox.
Exploitation Status
Public Exploit Available: false
Analyst Notes: As of February 26, 2026, there is no public information indicating active exploitation of this vulnerability. Use-after-free flaws in browser engines are frequently targeted by advanced persistent threat (APT) groups for initial access.
Analyst Recommendation
Browser vulnerabilities are a primary vector for initial entry into corporate environments. It is vital to ensure that all client-side software is automatically updated and that robust endpoint security measures are in place to detect and block exploitation attempts.