CVE-2025-50035 is a stored cross-site scripting vulnerability in the CyrilG Fyrebox Quizzes plugin (up to version 3.1) caused by improper neutralization of input during web page generation in the fyrebox-shortcode component. This vulnerability allows an attacker with low privileges and requiring user interaction to inject malicious scripts that can affect confidentiality, integrity, and availability. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, low privileges required, user interaction needed, and a scope change with partial impact on confidentiality, integrity, and availability. No official patch or vendor advisory is currently available, and no known exploits have been reported.

Successful exploitation of this stored XSS vulnerability could allow an attacker to execute arbitrary scripts in the context of affected users, potentially leading to limited disclosure of information, modification of data, or disruption of service. The impact is rated medium, reflecting partial loss of confidentiality, integrity, and availability. No known active exploitation has been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or workaround is currently documented, users should monitor for vendor updates. Until a fix is available, consider restricting access to the vulnerable component and limiting user privileges to reduce risk. Avoid enabling untrusted user input in the affected shortcode. No vendor advisory states that no action is required or that the issue is already mitigated.