CVE-2025-62744 in Page Title Splitter Plugin
Summary
by MITRE • 12/31/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Chris Steman Page Title Splitter allows Stored XSS.This issue affects Page Title Splitter: from n/a through 2.5.9.
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Analysis
by VulDB Data Team • 12/31/2025
The CVE-2025-62744 vulnerability represents a critical stored cross-site scripting flaw in the Chris Steman Page Title Splitter plugin, which falls under the CWE-79 category of Cross-Site Scripting. This vulnerability enables attackers to inject malicious scripts into web pages that are then executed in the context of other users' browsers, creating a persistent security risk that can affect multiple victims over time.
The technical flaw manifests when the plugin fails to properly sanitize user input during the web page generation process. Specifically, when administrators or users input data into fields that are subsequently rendered in page titles or related content, the plugin does not adequately neutralize potentially dangerous characters or script sequences. This improper input handling allows malicious actors to store malicious payloads within the plugin's data storage mechanisms, which then get executed whenever other users view the affected pages.
The operational impact of this vulnerability is significant as it transforms a simple content management plugin into a potential attack vector for widespread client-side exploitation. An attacker who can influence input fields within the page title splitter functionality can craft malicious script payloads that will execute in the browsers of unsuspecting users who visit pages containing the stored malicious content. This creates a persistent threat where the malicious code remains active until manually removed from the system, potentially leading to session hijacking, credential theft, or redirection to malicious sites.
The vulnerability affects all versions of the Page Title Splitter plugin from the initial release through version 2.5.9, indicating this flaw has been present for an extended period without proper mitigation. This long-standing issue highlights the importance of regular security auditing and input validation practices in web applications. The stored nature of the XSS vulnerability means that once an attacker successfully injects malicious code, it will persist and affect all users who interact with the affected web pages, making this particularly dangerous for high-traffic or enterprise environments where user-generated content is common.
Security practitioners should immediately implement mitigations including input validation, output encoding, and regular security updates to address this vulnerability. The ATT&CK framework categorizes this as a technique for code injection and privilege escalation, emphasizing the need for comprehensive defensive measures. Organizations should also consider implementing content security policies and regular penetration testing to identify similar vulnerabilities in their web applications. Given that this vulnerability affects a plugin that likely handles user-facing content, it represents a critical risk for any website that relies on user-generated page titles or content management features.