CVE-2024-13388 is a stored cross-site scripting vulnerability in the TCBD Tooltip WordPress plugin (versions up to 1.0). It results from improper neutralization of input during web page generation, specifically insufficient sanitization and output escaping of the 'tcbdtooltip_text' shortcode attributes. Authenticated attackers with contributor or higher privileges can inject arbitrary JavaScript that executes in the context of users visiting the compromised pages. This vulnerability can lead to limited confidentiality and integrity impacts but does not affect availability.

An attacker with contributor-level or higher access can inject persistent malicious scripts into pages via the vulnerable shortcode. These scripts execute in the browsers of users who visit the infected pages, potentially leading to theft of sensitive information or session tokens (confidentiality impact) and unauthorized modification of content or user interactions (integrity impact). There is no direct impact on system availability. No known active exploitation has been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict contributor-level access to trusted users only and consider disabling or removing the TCBD Tooltip plugin if possible. Monitor official tcoder or WordPress plugin repositories for updates addressing this vulnerability.