CVE-2026-78282: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in mra13 Stripe Payments

This vulnerability, identified as CWE-79, involves improper neutralization of input in the mra13 Stripe Payments plugin, allowing unauthenticated attackers to perform Cross-Site Scripting (XSS) attacks. The affected versions are all versions up to and including 2.1.2. The CVSS 3.1 base score is 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope change, and low impact on confidentiality and integrity with low impact on availability. There is no vendor advisory or patch information available at this time.

Successful exploitation of this vulnerability can allow an unauthenticated attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to partial disclosure of sensitive information, modification of web content, or disruption of service. The CVSS score indicates a high severity with impacts on confidentiality, integrity, and availability, but no known exploits are reported in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider applying any available temporary mitigations from the vendor or restrict access to the affected plugin. Monitor vendor channels for updates.