Description

Unauthenticated Cross Site Scripting (XSS) in ARForms <= 7.1.2 versions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "7.1",
  "pubDate": "2026-10-06T09:17:48.610Z",
  "pubdate": "2026-10-06T09:17:48.610Z",
  "executiveSummary": "The ARForms plugin, in versions 7.1.2 and below, contains an unauthenticated Cross-Site Scripting (XSS) vulnerability. This security flaw allows remote, unauthenticated attackers to inject and execute arbitrary JavaScript code within the context of a victim's browser session. By successfully exploiting this vulnerability, an attacker can bypass traditional security controls, enabling them to perform actions on behalf of authenticated users, such as administrators.\nThe vulnerability poses significant risk to the integrity and confidentiality of the affected WordPress site. Because the flaw does not require authentication for exploitation, it can be triggered by any remote user with network access to the application. Potential impacts include the theft of session cookies, sensitive information disclosure, unauthorized administrative actions, and the redirection of users to malicious websites. Organizations using affected versions of ARForms should prioritize remediation to prevent potential compromise.",
  "technicalDetails": "The root cause of this vulnerability lies in the insufficient sanitization and validation of user-supplied input within the ARForms plugin. In versions 7.1.2 and earlier, the application fails to adequately sanitize parameters processed by the plugin, allowing for the injection of malicious HTML and JavaScript payloads. Because this input is subsequently reflected back to users without proper context-aware output encoding, the browser interprets the injected content as executable script.\nThe exploitation flow is relatively straightforward for an attacker. An adversary crafts a malicious URL containing a JavaScript payload within the vulnerable parameter. When an unsuspecting user, such as an administrator, clicks on this crafted link, the malicious script is executed within their active session in the browser. Since the script runs in the context of the vulnerable site, it inherits the user's permissions and access rights.\nThe vulnerability is classified as Reflected XSS. It does not require the attacker to have an account on the target system. The attack is initiated via the network by sending a specially crafted request, typically a GET or POST request containing the payload, to the web application. Once the payload is reflected, the browser executes the script, facilitating actions such as performing administrative tasks, capturing session tokens, or modifying the document object model (DOM) of the page.\nThe impact of a successful exploitation is severe. A malicious actor could leverage this XSS to gain unauthorized access to an administrator's session, leading to full site compromise. This might include creating new administrative users, modifying system settings, or injecting malicious content into the site's pages to further spread attacks to other users. The lack of authentication requirements significantly lowers the barrier for entry, allowing automated bots or opportunistic attackers to scan and exploit vulnerable instances across the web."
}