CVE-2023-45135 : What You Need to Know

A critical vulnerability has been identified in XWiki that could allow attackers to execute scripts by manipulating the page creation action. This article provides an overview of CVE-2023-45135, its impact, technical details, and mitigation steps.

Understanding CVE-2023-45135

XWiki users can be tricked to execute scripts as the create page action doesn't display the page's title.

What is CVE-2023-45135?

XWiki Platform versions 7.2-milestone-2 until 14.10.12 and 15.5-rc-1 are vulnerable to a security flaw that enables an attacker to pass a hidden title during the page creation process, leading to script execution or even remote code execution.

The Impact of CVE-2023-45135

The vulnerability can be exploited by tricking victims into clicking on a malicious link that executes code, ultimately granting unauthorized access to the XWiki instance.

Technical Details of CVE-2023-45135

This section delves into the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

It is possible to pass a title to the page creation action in XWiki that isn't initially visible but gets executed in the subsequent step. Attackers can exploit this to execute code, leveraging victim permissions.

Affected Systems and Versions

XWiki Platform versions 7.2-milestone-2 to 14.10.12 and 15.5-rc-1 are impacted by this vulnerability, allowing for potential script execution or remote code execution.

Exploitation Mechanism

Attackers need to convince victims to visit a crafted link and click the 'Create' button, triggering the malicious code execution without the victim's awareness.

Mitigation and Prevention

Discover the immediate steps to take and long-term security practices to safeguard against CVE-2023-45135.

Immediate Steps to Take

Update XWiki to the patched versions to prevent exploitation of this vulnerability and raise awareness among users about suspicious links.

Long-Term Security Practices

Regularly update XWiki platform and educate users about safe browsing practices to mitigate potential security risks.

Patching and Updates

Refer to the official patch releases for XWiki platform to apply the necessary fixes and secure your system against CVE-2023-45135.