CVE-2025-23607: CAMOO SMS Reflected XSS Vulnerability

CVE-2025-23607 Overview

CVE-2025-23607 is a reflected Cross-Site Scripting (XSS) vulnerability in the Camoo Sarl CAMOO SMS WordPress plugin (camoo-sms). The flaw affects all plugin versions up to and including 3.0.1. Attackers can craft malicious URLs that, when followed by an authenticated or unauthenticated user, execute arbitrary JavaScript in the victim's browser session. The vulnerability is tracked under CWE-79: Improper Neutralization of Input During Web Page Generation. Successful exploitation can lead to session theft, credential harvesting, and unauthorized actions performed on behalf of the victim within the WordPress site context.

Critical Impact
Reflected XSS allows attackers to execute arbitrary JavaScript in a victim's browser, enabling administrative account takeover when a logged-in WordPress administrator is targeted.

Affected Products

Camoo Sarl CAMOO SMS WordPress plugin (camoo-sms)
All versions through 3.0.1
WordPress sites using the CAMOO SMS plugin for SMS messaging integration

Discovery Timeline

2025-01-22 - CVE-2025-23607 published to NVD
2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-23607

Vulnerability Analysis

The vulnerability stems from improper neutralization of user-supplied input rendered back into HTTP responses by the CAMOO SMS plugin. The plugin processes request parameters and reflects their values into generated web pages without sufficient output encoding or input sanitization. An attacker crafts a URL containing a malicious JavaScript payload as a parameter value. When a victim visits this URL, the plugin echoes the payload into the rendered HTML, where the browser parses and executes it within the trust context of the WordPress site.

Exploitation requires user interaction, as the victim must click a crafted link or visit an attacker-controlled page that triggers the request. Because the vulnerability operates over the network and requires no authentication, any visitor — including site administrators — can be targeted through phishing or watering-hole campaigns. The scope-changed impact reflects that injected scripts can affect the WordPress administrative interface beyond the plugin's own pages.

Root Cause

The root cause is missing or inadequate sanitization of request input combined with absent contextual output escaping when generating HTML responses. The plugin fails to apply WordPress core escaping functions such as esc_html(), esc_attr(), or wp_kses() to user-controlled data before rendering it.

Attack Vector

An attacker delivers a crafted link via phishing email, social media, or a malicious site. When clicked by an authenticated WordPress user, the injected script executes with the victim's privileges. Payloads can exfiltrate session cookies, modify site content, create rogue administrator accounts, or pivot to plugin configuration changes. Refer to the Patchstack Vulnerability Report for additional technical context.

Detection Methods for CVE-2025-23607

Indicators of Compromise

Web server access logs containing requests to CAMOO SMS plugin endpoints with URL parameters that include <script>, javascript:, onerror=, or HTML-encoded variants of these strings.
Unexpected administrative actions, new user accounts, or plugin configuration changes following user interaction with external links.
Outbound requests from administrator browsers to attacker-controlled domains shortly after visiting plugin URLs.

Detection Strategies

Deploy a Web Application Firewall (WAF) with signatures for reflected XSS patterns targeting WordPress plugin parameters.
Inspect HTTP request and response pairs for the camoo-sms plugin paths to identify reflected payloads in response bodies.
Correlate referrer headers from external sources with plugin endpoint access to surface phishing-driven exploitation attempts.

Monitoring Recommendations

Enable WordPress audit logging to track administrative actions, user creation events, and plugin setting modifications.
Monitor browser-side anomalies such as unexpected script loading or DOM modifications on WordPress admin pages.
Forward web server logs to a centralized analytics platform such as Singularity Data Lake & AI SIEM for OCSF-normalized correlation and hunting.

How to Mitigate CVE-2025-23607

Immediate Actions Required

Disable or remove the CAMOO SMS plugin until a vendor-supplied patch beyond version 3.0.1 is verified and installed.
Force password resets and session invalidation for all WordPress administrators if exploitation is suspected.
Restrict access to /wp-admin/ by IP allowlist where operationally feasible to reduce phishing exposure.

Patch Information

At the time of the NVD entry, the advisory indicates the vulnerability affects CAMOO SMS through 3.0.1 with no fixed version explicitly enumerated. Administrators should consult the Patchstack Vulnerability Report for the latest fixed-version status and apply updates as soon as they become available.

Workarounds

Deploy WAF rules that block requests containing common XSS payload patterns directed at CAMOO SMS plugin URLs.
Implement a strict Content Security Policy (CSP) that disallows inline scripts and restricts script sources to trusted origins.
Train administrators to avoid clicking unsolicited links pointing to their own WordPress site with unusual query parameters.

bash

# Example WAF rule (ModSecurity) to block reflected XSS attempts on CAMOO SMS endpoints
SecRule REQUEST_URI "@contains /wp-content/plugins/camoo-sms/" \
    "id:1002301,phase:2,deny,status:403,\
    chain,msg:'Potential Reflected XSS targeting CAMOO SMS (CVE-2025-23607)'"
    SecRule ARGS "@rx (?i)(<script|javascript:|onerror=|onload=)" \
        "t:none,t:urlDecodeUni,t:htmlEntityDecode"