CVE-2025-57947: Photo Gallery by Ays XSS Vulnerability

CVE-2025-57947 Overview

CVE-2025-57947 is a DOM-based Cross-Site Scripting (XSS) vulnerability in the Ays Pro Photo Gallery plugin (gallery-photo-gallery) for WordPress. The flaw stems from improper neutralization of input during web page generation, allowing attackers to inject and execute arbitrary JavaScript in a victim's browser. All plugin versions up to and including 6.3.8 are affected. The vulnerability is tracked under CWE-79 and requires user interaction combined with low-privilege authentication to exploit. Successful exploitation impacts confidentiality, integrity, and availability across security scopes, as the injected script executes within the trusted origin of the WordPress site.

Critical Impact
Authenticated attackers with low privileges can execute arbitrary JavaScript in a victim's browser session, enabling session theft, content manipulation, and unauthorized actions within the WordPress site.

Affected Products

Ays Pro Photo Gallery (gallery-photo-gallery) WordPress plugin
All versions from n/a through 6.3.8
WordPress sites with the Photo Gallery by Ays plugin installed

Discovery Timeline

2025-09-22 - CVE-2025-57947 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-57947

Vulnerability Analysis

The vulnerability is a DOM-based Cross-Site Scripting flaw in the Photo Gallery by Ays plugin. DOM-based XSS occurs entirely in the browser, where client-side JavaScript writes attacker-controlled data into the Document Object Model without proper sanitization or encoding. Unlike reflected or stored XSS, the malicious payload does not need to pass through the server's response body.

An attacker with authenticated low-privilege access to a WordPress site running the plugin can craft input that the plugin's client-side code later renders into the DOM. When another user (typically an administrator) is induced to interact with the malicious content, the injected script executes within the site's origin. This allows the attacker to steal session cookies, perform actions on behalf of the victim, and manipulate rendered content.

Root Cause

The root cause is improper neutralization of user-supplied input written into the DOM by the plugin's JavaScript. The plugin fails to apply context-appropriate output encoding or safe DOM APIs (such as textContent or sanitized templating) before inserting attacker-controlled data. See the Patchstack XSS Vulnerability Advisory for the vendor-tracked technical breakdown.

Attack Vector

Exploitation requires network access to the target WordPress site, low-privilege authentication (such as a contributor or subscriber account), and user interaction from a victim. An attacker submits malicious input through the plugin's exposed interfaces. When a privileged user views the crafted content, the browser parses the payload and executes JavaScript in the site's context, leading to a scope change that impacts other users beyond the attacker.

No verified proof-of-concept code is available in public repositories at the time of writing. Refer to the Patchstack advisory for further technical details.

Detection Methods for CVE-2025-57947

Indicators of Compromise

Unexpected <script> tags, javascript: URIs, or event handler attributes (onerror, onload) stored in gallery-related plugin data
Outbound HTTP requests from browsers viewing gallery pages to unfamiliar external domains
WordPress administrator accounts performing unexpected actions shortly after viewing gallery content
Session cookies appearing in web server access logs of external domains

Detection Strategies

Inspect plugin database tables and options for gallery entries containing HTML tags, encoded script payloads, or suspicious URL schemes
Deploy a web application firewall (WAF) with rules that detect XSS payload patterns in requests targeting gallery-photo-gallery endpoints
Monitor browser Content Security Policy (CSP) violation reports for inline script or untrusted source executions on pages rendering the plugin
Correlate authenticated low-privilege user submissions with subsequent administrator session anomalies

Monitoring Recommendations

Enable WordPress audit logging to track plugin content submissions and edits by low-privilege accounts
Log and review all HTTP requests to the plugin's AJAX handlers and REST endpoints
Alert on administrator sessions accessing unfamiliar URLs or generating unexpected API calls after viewing plugin content
Aggregate WordPress and web server logs into a centralized data lake to enable cross-source correlation and threat hunting

How to Mitigate CVE-2025-57947

Immediate Actions Required

Identify all WordPress sites running Photo Gallery by Ays version 6.3.8 or earlier and prioritize remediation
Update the plugin to a version later than 6.3.8 once the vendor publishes a patched release
Restrict low-privilege user account registration and audit existing accounts for unexpected activity
Rotate administrator session cookies and enforce password resets on privileged accounts if compromise is suspected

Patch Information

A fixed version beyond 6.3.8 should be applied when released by Ays Pro. Consult the Patchstack XSS Vulnerability Advisory for the latest patch status and version guidance.

Workarounds

Deactivate and remove the Photo Gallery by Ays plugin until a patched version is available
Implement a strict Content Security Policy that disallows inline scripts and restricts script sources to trusted origins
Deploy WAF rules that block requests containing HTML tags, javascript: URIs, or event handler attributes in plugin parameters
Limit plugin administrative and content-submission capabilities to trusted users only

bash

# Example Content Security Policy header to reduce DOM XSS impact
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'self'"