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CVE Vulnerability Database
Vulnerability Database/CVE-2025-32300

CVE-2025-32300: DZS Video Gallery XSS Vulnerability

CVE-2025-32300 is a reflected cross-site scripting flaw in DZS Video Gallery that allows attackers to inject malicious scripts. This article covers technical details, affected versions up to 12.25, impact, and mitigation.

Updated: April 29, 2026

CVE-2025-32300 Overview

CVE-2025-32300 is a Reflected Cross-Site Scripting (XSS) vulnerability affecting the DZS Video Gallery WordPress plugin developed by Digital zoom studio. This vulnerability allows attackers to inject malicious scripts into web pages viewed by other users through insufficient sanitization of user-supplied input during web page generation.

Critical Impact

Attackers can execute arbitrary JavaScript in the context of a victim's browser session, potentially leading to session hijacking, credential theft, website defacement, or malware distribution to site visitors.

Affected Products

  • DZS Video Gallery WordPress Plugin versions through 12.25
  • WordPress installations using the vulnerable plugin versions
  • Websites with user-facing video gallery functionality powered by DZS Video Gallery

Discovery Timeline

  • 2026-01-07 - CVE CVE-2025-32300 published to NVD
  • 2026-04-28 - Last updated in NVD database

Technical Details for CVE-2025-32300

Vulnerability Analysis

This vulnerability is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation), commonly known as Cross-Site Scripting. The DZS Video Gallery plugin fails to properly sanitize user-controlled input before reflecting it back in the generated HTML output, enabling Reflected XSS attacks.

In a Reflected XSS scenario, the malicious payload is delivered through a specially crafted URL or form submission. When a victim clicks on a malicious link or submits a tampered form, the unvalidated input is immediately echoed back in the server's response without proper encoding or escaping. This allows the attacker's JavaScript to execute within the security context of the vulnerable website.

The attack requires user interaction, as victims must be tricked into clicking a malicious link or visiting a crafted URL. However, social engineering techniques make this attack vector highly practical in real-world scenarios.

Root Cause

The root cause of this vulnerability is the improper neutralization of special HTML and JavaScript characters in user-supplied input. The DZS Video Gallery plugin does not adequately validate, sanitize, or encode input parameters before including them in dynamically generated web page content. This allows attackers to break out of the expected HTML context and inject executable script code.

Attack Vector

The attack is network-based and requires user interaction. An attacker crafts a malicious URL containing JavaScript payload in a vulnerable parameter of the DZS Video Gallery plugin. The attacker then distributes this URL via phishing emails, social media, or other channels. When a victim clicks the link while authenticated to the WordPress site, the malicious script executes in their browser session.

The vulnerability affects the changed scope (S:C in CVSS), meaning successful exploitation can affect resources beyond the vulnerable component's security authority, potentially impacting the integrity of the entire WordPress installation.

For detailed technical analysis of this vulnerability, refer to the Patchstack XSS Vulnerability Advisory.

Detection Methods for CVE-2025-32300

Indicators of Compromise

  • Unusual URL parameters containing JavaScript code, HTML tags, or encoded script patterns in web server access logs
  • Error logs showing script injection attempts targeting DZS Video Gallery endpoints
  • Reports from users about unexpected browser behavior or redirects when accessing video gallery pages
  • Detection of unauthorized session tokens or cookie exfiltration attempts

Detection Strategies

  • Implement Web Application Firewall (WAF) rules to detect and block common XSS payload patterns in URL parameters
  • Monitor web server access logs for suspicious query strings containing <script>, javascript:, onerror=, or other XSS indicators
  • Deploy browser-based Content Security Policy (CSP) violations monitoring to detect script injection attempts
  • Use automated vulnerability scanning tools to identify unpatched DZS Video Gallery installations

Monitoring Recommendations

  • Enable verbose logging for the DZS Video Gallery plugin and WordPress core
  • Configure real-time alerting for patterns matching common XSS attack signatures
  • Review referrer headers for phishing domains distributing malicious links
  • Monitor for anomalous outbound connections from client browsers that may indicate data exfiltration

How to Mitigate CVE-2025-32300

Immediate Actions Required

  • Update DZS Video Gallery plugin to a version newer than 12.25 that includes the security patch
  • Temporarily disable the DZS Video Gallery plugin if an update is not immediately available
  • Implement a Web Application Firewall (WAF) with XSS protection rules as a defense-in-depth measure
  • Review web server logs for evidence of exploitation attempts

Patch Information

The vulnerability affects DZS Video Gallery versions through 12.25. Website administrators should update to the latest patched version available from the WordPress plugin repository. Consult the Patchstack XSS Vulnerability Advisory for specific patch details and remediation guidance.

Workarounds

  • Deploy a Web Application Firewall (WAF) configured to filter XSS payloads in incoming requests
  • Implement Content Security Policy (CSP) headers to restrict script execution sources and mitigate XSS impact
  • Disable direct access to vulnerable plugin endpoints if functionality permits
  • Use HTTP-only and Secure flags on session cookies to limit potential session hijacking impact
bash
# Example: Add CSP headers in Apache .htaccess
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'"
Header set X-XSS-Protection "1; mode=block"
Header set X-Content-Type-Options "nosniff"

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

  • Vulnerability Details
  • TypeXSS

  • Vendor/TechDzs Video Gallery

  • SeverityHIGH

  • CVSS Score7.1

  • EPSS Probability0.04%

  • Known ExploitedNo
  • CVSS Vector
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
  • Impact Assessment
  • ConfidentialityLow
  • IntegrityLow
  • AvailabilityLow
  • CWE References
  • CWE-79
  • Technical References
  • Patchstack XSS Vulnerability Advisory
  • Related CVEs
  • CVE-2025-47553: DZS Video Gallery Object Injection Flaw
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