CVE-2025-49905 is a reflected Cross-site Scripting (XSS) vulnerability found in the PluginsCafe Range Slider Addon for Gravity Forms, a popular WordPress plugin used to enhance form functionality by adding range slider inputs. The vulnerability stems from improper neutralization of user-supplied input during the generation of web pages, which allows an attacker to inject malicious JavaScript code into the web page. When a victim interacts with a crafted URL or input that triggers this vulnerability, the malicious script executes in the victim's browser context, potentially leading to theft of cookies, session tokens, or other sensitive information, as well as manipulation of the web page content. The vulnerability affects all versions up to and including 1.1.6. The CVSS 3.1 base score is 6.1, reflecting a medium severity level, with an attack vector of network (remote), low attack complexity, no privileges required, but requiring user interaction. The scope is changed, indicating that the vulnerability affects resources beyond the initially vulnerable component. No known exploits have been reported in the wild as of the publication date. The vulnerability is particularly relevant to websites using Gravity Forms with this addon, which are common in business and e-commerce environments. The lack of a patch link suggests that a fix may be pending or not yet publicly available, emphasizing the need for interim mitigations.

For European organizations, the impact of this vulnerability can be significant, especially for those relying on WordPress sites with Gravity Forms and the affected addon for customer-facing forms. Successful exploitation can lead to the compromise of user session data, enabling attackers to impersonate users or steal sensitive information such as personal data submitted through forms. This can result in data breaches, loss of customer trust, and potential regulatory penalties under GDPR due to inadequate protection of personal data. The reflected XSS nature means attackers typically need to trick users into clicking malicious links, which can be leveraged in phishing campaigns targeting employees or customers. While the vulnerability does not directly affect system availability, the integrity and confidentiality of data are at risk. Organizations in sectors such as finance, healthcare, and e-commerce, which handle sensitive personal or financial data, face heightened risks. Additionally, reputational damage and remediation costs can be substantial if exploited.

1. Monitor PluginsCafe and Gravity Forms official channels for a security patch and apply updates promptly once available. 2. Until a patch is released, implement strict input validation and output encoding on all user-supplied data processed by the addon to prevent script injection. 3. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts and reduce the impact of XSS attacks. 4. Use Web Application Firewalls (WAFs) with rules designed to detect and block reflected XSS attack patterns targeting the affected plugin. 5. Educate users and employees about the risks of clicking suspicious links, especially those purporting to come from trusted sources. 6. Conduct regular security audits and penetration testing focused on web application vulnerabilities, including XSS. 7. Consider temporarily disabling or replacing the Range Slider Addon if immediate patching is not feasible and the risk is deemed high. 8. Review and harden WordPress security configurations, including limiting plugin permissions and access controls.