CVE-2025-14903: 
WordPress vulnerability analysis and mitigation

CVE-2025-14903 is a Cross-Site Request Forgery (CSRF) vulnerability in the Simple Crypto Shortcodes plugin for WordPress. It affects all versions up to and including 1.0.2, and was published on January 24, 2026. The flaw allows unauthenticated attackers to update plugin settings by tricking a logged-in administrator into clicking a malicious link. It carries a CVSS v3.1 base score of 4.3 (Medium) (Wordfence, Red Hat CVE).

The root cause is missing nonce validation in the scs_backend function of the plugin (CWE-352: Cross-Site Request Forgery). Because WordPress nonces are not checked before processing settings updates, an attacker can craft a forged HTTP request that, when triggered by an authenticated administrator, causes the server to accept and apply unauthorized configuration changes. The vulnerable code is visible in the plugin source at lines 46 and 54 of simple_crypto_shortcodes.php in version 1.0.2 (Wordfence, WordPress Trac).

Successful exploitation allows an unauthenticated attacker to modify the Simple Crypto Shortcodes plugin settings on the affected WordPress site, resulting in a low integrity impact with no direct confidentiality or availability consequences. Depending on the plugin's settings (e.g., API keys or display configurations for cryptocurrency data), unauthorized changes could lead to misinformation displayed to site visitors or misuse of configured credentials. The attack scope is limited to the affected plugin's configuration and does not directly enable remote code execution or data exfiltration (Wordfence).

No public exploit code or active in-the-wild exploitation has been reported for CVE-2025-14903. The EPSS score is approximately 0.012% (0.000120), indicating a very low probability of exploitation in the near term. The vulnerability is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. Exploitation requires social engineering — an attacker must trick a site administrator into clicking a crafted link while authenticated (Wordfence, Red Hat CVE).

1. Reconnaissance: Identify WordPress sites using the Simple Crypto Shortcodes plugin (version ≤ 1.0.2) via web crawling, plugin enumeration tools, or public search engines.
2. Craft malicious request: Create an HTML page or link containing a forged POST request targeting the WordPress admin endpoint that invokes the scs_backend function with attacker-controlled plugin settings values.
3. Social engineering: Deliver the malicious link to a site administrator via phishing email, comment, or other communication channel, enticing them to click it while logged into the WordPress admin panel.
4. Settings modification: When the administrator clicks the link, their browser automatically submits the forged request with their session credentials, causing the server to update plugin settings without nonce verification.
5. Objective achieved: The attacker's desired plugin configuration changes are applied, potentially altering cryptocurrency display settings or associated API keys on the target site (Wordfence).

Users should update the Simple Crypto Shortcodes plugin to a version beyond 1.0.2 that includes proper nonce validation in the scs_backend function. If no patched version is yet available from the plugin author (stefanristic), administrators should consider deactivating or removing the plugin until a fix is released. As a general hardening measure, WordPress administrators should avoid clicking unsolicited links while logged into the admin panel and consider using security plugins that add additional CSRF protections (Wordfence).