Learn about CVE-2023-42458 impacting Zope web application server versions before 4.8.10 and 5.8.5 due to a stored cross site scripting (XSS) vulnerability with SVG images. Find mitigation steps here.
Zope vulnerable to Stored Cross Site Scripting with SVG images
Understanding CVE-2023-42458
Zope, an open-source web application server, is susceptible to stored cross-site scripting (XSS) with SVG images in versions earlier than 4.8.10 and 5.8.5.
What is CVE-2023-42458?
Zope versions < 4.8.10 and >= 5.0.0, < 5.8.5 are impacted by a stored cross-site scripting vulnerability that allows attackers to upload a specially crafted image to exploit the server.
The Impact of CVE-2023-42458
The vulnerability could be leveraged by malicious actors to execute arbitrary code on a targeted user's browser, potentially leading to sensitive data theft or unauthorized account access.
Technical Details of CVE-2023-42458
Zope prior to versions 4.8.10 and 5.8.5 is vulnerable to stored XSS with SVG images, where an attacker can upload a malicious SVG image and execute script code when users access the crafted link.
Vulnerability Description
An attacker needs to upload a specially crafted image to the server and then entice a user to click on a manipulated link to trigger the malicious script execution.
Affected Systems and Versions
= 5.0.0, < 5.8.5
Exploitation Mechanism
The attacker can exploit this vulnerability by uploading a crafted SVG image, tricking a user into following a manipulated link, and executing malicious code on the user's browser.
Mitigation and Prevention
To address CVE-2023-42458, users and administrators are advised to take immediate steps to secure their systems and implement long-term security practices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Install the latest patches provided by Zope in versions 4.8.10 and 5.8.5 to address the stored cross-site scripting vulnerability with SVG images.