Platform
wordpress
Component
contact-form-7
Fixed in
5.9.1
CVE-2024-2242 represents a Reflected Cross-Site Scripting (XSS) vulnerability affecting the Contact Form 7 plugin for WordPress. This flaw allows unauthenticated attackers to inject malicious web scripts into pages, potentially leading to account compromise and data theft. The vulnerability impacts all versions of Contact Form 7 up to and including 5.9. A fix is available in newer versions of the plugin.
The impact of CVE-2024-2242 lies in the attacker's ability to execute arbitrary JavaScript code within the context of a user's browser. This can be achieved by crafting a malicious URL containing the 'active-tab' parameter with injected script code. Upon a user clicking on this crafted link, the script will execute, potentially stealing cookies, session tokens, or redirecting the user to a phishing site. The attacker could also deface the website or inject further malicious content. Given the widespread use of Contact Form 7, a successful exploitation could impact a large number of WordPress sites and their users. The attack relies on social engineering to trick users into clicking the malicious link; therefore, user awareness and security practices are crucial in preventing exploitation.
CVE-2024-2242 was published on March 13, 2024. The vulnerability is considered relatively easy to exploit, as it is a reflected XSS and requires only social engineering to trick a user into clicking a malicious link. There are currently no known active campaigns targeting this vulnerability, but public proof-of-concept (POC) code is likely to emerge. The EPSS score is likely to be medium, reflecting the ease of exploitation and the potential impact. Monitor security advisories and vulnerability databases for updates on exploitation activity.
Exploit Status
EPSS
68.48% (99% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2024-2242 is to upgrade the Contact Form 7 plugin to a version newer than 5.9, where the vulnerability has been addressed. If immediate upgrading is not feasible due to compatibility issues or breaking changes, consider implementing temporary workarounds. These include carefully scrutinizing the 'active-tab' parameter for any suspicious characters or code before processing it. Web Application Firewalls (WAFs) can be configured to filter requests containing potentially malicious scripts in the 'active-tab' parameter. Additionally, implement strict input validation and output encoding on the server-side to sanitize user-supplied data. Monitor web server logs for unusual activity related to Contact Form 7, specifically looking for requests with unusual characters in the 'active-tab' parameter. After upgrading, confirm the fix by attempting to inject a simple JavaScript payload via the 'active-tab' parameter and verifying that it is properly sanitized.
Actualice el plugin Contact Form 7 a la versión más reciente. La versión 5.9.1 corrige esta vulnerabilidad de Cross-Site Scripting (XSS).
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It's a Reflected Cross-Site Scripting (XSS) vulnerability in the Contact Form 7 WordPress plugin, allowing attackers to inject scripts via a URL parameter.
If you're using Contact Form 7 version 5.9 or earlier, you are vulnerable. Check your plugin version and update immediately.
Upgrade Contact Form 7 to a version newer than 5.9. If upgrading is not possible, implement temporary workarounds like WAF rules and input sanitization.
Currently, there are no known active campaigns, but public POCs are likely to appear. Stay vigilant and monitor your systems.
Refer to the official WordPress security advisory and the Contact Form 7 plugin documentation for detailed information and updates.
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