CVE-2025-23493 in Google Transliteration Plugin
Summary
by MITRE • 03/03/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Google Transliteration allows Reflected XSS. This issue affects Google Transliteration: from n/a through 1.7.2.
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Analysis
by VulDB Data Team • 03/03/2025
The vulnerability identified as CVE-2025-23493 represents a critical cross-site scripting flaw within the Google Transliteration plugin, specifically affecting versions ranging from n/a through 1.7.2. This issue falls under the well-established category of reflected cross-site scripting as classified by CWE-79, which occurs when user-supplied data is directly incorporated into web page output without proper sanitization or encoding mechanisms. The vulnerability manifests in the context of web page generation where input validation fails to properly neutralize malicious script payloads that are then reflected back to users' browsers.
The technical implementation of this flaw enables attackers to inject malicious JavaScript code through input parameters that are subsequently rendered in web pages served by the affected Google Transliteration plugin. When users interact with the vulnerable system, their browsers execute the injected scripts, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The reflected nature of this vulnerability means that the malicious payload must be crafted specifically for each user interaction and delivered through a specially constructed URL or form submission. This characteristic aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments and T1531 for modification of system binaries.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to manipulate the entire user experience within the affected web applications. Attackers can leverage this weakness to steal user sessions, modify content displayed to users, or redirect them to phishing sites designed to capture sensitive information. The vulnerability's presence in the transliteration plugin suggests that it affects text processing functionality where user input is converted or displayed, creating multiple potential attack vectors. Organizations using affected versions may experience unauthorized access to user data, potential compromise of web application integrity, and significant reputational damage due to the exposure of user sessions and personal information.
Mitigation strategies for this vulnerability should prioritize immediate version updates to the latest available release of the Google Transliteration plugin where the XSS flaw has been addressed. Security teams should implement comprehensive input validation and output encoding mechanisms throughout their web applications, particularly focusing on user-supplied data that may be reflected back to browsers. The implementation of Content Security Policy headers can provide additional protection against script execution, while regular security assessments and penetration testing should be conducted to identify similar vulnerabilities. Organizations should also consider deploying web application firewalls to detect and block malicious payloads attempting to exploit this and similar cross-site scripting vulnerabilities. The remediation process must include thorough testing to ensure that the patch does not introduce regressions in the transliteration functionality while effectively neutralizing the reflected XSS attack vector.