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CVE-2025-5730: CWE-79 Cross-Site Scripting (XSS) in Contact Form Plugin

Medium
VulnerabilityCVE-2025-5730cvecve-2025-5730cwe-79
Published: Mon Jun 30 2025 (06/30/2025, 06:00:01 UTC)
Source: CVE Database V5
Product: Contact Form Plugin

Description

The Contact Form Plugin WordPress plugin before 1.1.29 does not sanitise and escape some of its settings, which could allow high privilege users such as contributor to perform Stored Cross-Site Scripting attacks.

AI-Powered Analysis

AILast updated: 06/30/2025, 06:24:44 UTC

Technical Analysis

CVE-2025-5730 is a security vulnerability identified in the Contact Form Plugin for WordPress, specifically affecting versions prior to 1.1.29. The vulnerability is classified as a Stored Cross-Site Scripting (XSS) issue, corresponding to CWE-79. The root cause lies in the plugin's failure to properly sanitize and escape certain settings inputs. This flaw allows users with elevated privileges, such as contributors, to inject malicious scripts that are stored persistently within the plugin's data. When these scripts are later rendered in the context of the WordPress administrative interface or potentially other users' browsers, they execute arbitrary JavaScript code. This can lead to a range of malicious outcomes including session hijacking, privilege escalation, defacement, or redirection to malicious sites. The vulnerability requires the attacker to have at least contributor-level access, which is a relatively high privilege compared to anonymous or subscriber roles. However, contributor roles are common in multi-author WordPress sites, making this a significant risk in collaborative environments. No public exploits have been reported in the wild yet, and no CVSS score has been assigned. The absence of patch links suggests that a fix may not have been released at the time of reporting, emphasizing the need for prompt attention by site administrators. The vulnerability's persistence and ability to execute in the context of trusted users make it particularly dangerous, as it can bypass typical input validation and content security policies if not properly mitigated.

Potential Impact

For European organizations, especially those relying on WordPress for their web presence, this vulnerability poses a moderate to high risk. Many European businesses, government agencies, and non-profits use WordPress with various plugins, including contact form plugins, to manage user interactions. An attacker exploiting this vulnerability could inject malicious scripts that compromise administrative accounts, steal sensitive data, or manipulate website content. This could lead to reputational damage, data breaches involving personal data protected under GDPR, and potential regulatory penalties. The fact that the exploit requires contributor-level access limits the attack surface but does not eliminate risk, as insider threats or compromised contributor accounts are realistic scenarios. Additionally, stored XSS can facilitate further attacks such as phishing or malware distribution to site visitors, amplifying the impact. The lack of a patch at the time of disclosure increases the urgency for European organizations to implement interim mitigations. Given the widespread use of WordPress in Europe and the critical nature of contact forms for customer engagement, this vulnerability could disrupt business operations and erode user trust if exploited.

Mitigation Recommendations

European organizations should immediately audit their WordPress installations to identify if the Contact Form Plugin is in use and determine the version deployed. Until an official patch is released, it is advisable to restrict contributor-level access strictly to trusted users and review user roles to minimize unnecessary privileges. Implementing Web Application Firewalls (WAFs) with custom rules to detect and block suspicious input patterns targeting the plugin's settings can provide a temporary defense. Administrators should also enable Content Security Policy (CSP) headers to limit the execution of unauthorized scripts. Regular monitoring of logs for unusual activity related to plugin settings changes or contributor actions is recommended. If feasible, disabling or replacing the vulnerable plugin with a secure alternative can eliminate the risk. Once a patch becomes available, prompt application of updates is critical. Additionally, educating contributors about safe input practices and the risks of XSS can reduce inadvertent exploitation. Backup strategies should be reviewed to ensure rapid recovery in case of compromise.

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Technical Details

Data Version
5.1
Assigner Short Name
WPScan
Date Reserved
2025-06-05T12:34:35.301Z
Cvss Version
null
State
PUBLISHED

Threat ID: 68622a136f40f0eb72893b44

Added to database: 6/30/2025, 6:09:23 AM

Last enriched: 6/30/2025, 6:24:44 AM

Last updated: 7/10/2025, 3:04:01 AM

Views: 17

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