CVE-2025-31839 identifies a Cross-Site Request Forgery (CSRF) vulnerability in the digireturn DN Footer Contacts plugin, versions up to 1.8.1. CSRF vulnerabilities occur when a web application does not adequately verify that state-changing requests originate from legitimate users, allowing attackers to craft malicious web pages or links that cause authenticated users to unknowingly perform actions such as modifying settings or data. The DN Footer Contacts plugin, commonly used in WordPress environments to manage footer contact information, fails to implement sufficient anti-CSRF protections, such as nonce tokens or origin checks. Consequently, an attacker can exploit this flaw by enticing an authenticated user to visit a malicious site, which then sends forged requests to the vulnerable plugin, potentially altering footer contact details or other plugin-managed content. The vulnerability does not require the attacker to have direct access or elevated privileges beyond the victim's authenticated session, making exploitation relatively straightforward. Although no public exploits have been reported yet, the exposure window remains open until a patch or mitigation is applied. The absence of a CVSS score suggests the need for a manual severity assessment based on the vulnerability's characteristics and potential impact.

The primary impact of this CSRF vulnerability is on the integrity and availability of the affected web applications using the DN Footer Contacts plugin. Attackers can manipulate footer contact information or other plugin-managed data without user consent, potentially leading to misinformation, reputational damage, or disruption of communication channels. For organizations relying on this plugin for critical contact information, unauthorized changes could mislead customers or partners, resulting in operational inefficiencies or loss of trust. While confidentiality impact is limited, the ease of exploitation and the potential for widespread unauthorized changes elevate the risk. Additionally, if combined with other vulnerabilities or social engineering, attackers might leverage this flaw to facilitate broader attacks. The vulnerability affects all installations running vulnerable versions, which may be widespread given the popularity of WordPress plugins. The lack of known exploits reduces immediate risk but does not eliminate the threat, especially as attackers often develop exploits post-disclosure.

To mitigate CVE-2025-31839, organizations should first apply any available patches or updates from the digireturn vendor once released. In the absence of patches, implement strict anti-CSRF protections by adding nonce tokens or verifying the HTTP Referer and Origin headers for all state-changing requests within the DN Footer Contacts plugin. Web application firewalls (WAFs) can be configured to detect and block suspicious cross-site requests targeting the plugin endpoints. Administrators should restrict plugin access to trusted users and limit permissions where possible. Additionally, educating users about the risks of visiting untrusted websites while authenticated can reduce the likelihood of successful CSRF attacks. Regular security audits and monitoring for unexpected changes in footer contact information can help detect exploitation attempts early. Finally, consider disabling or replacing the plugin if it cannot be secured promptly.