CVE-2023-49149: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was identified in CurrencyRate.Today's Currency Converter Calculator WordPress plugin, affecting versions up to 1.3.1. The vulnerability was discovered by Ngô Thiên An (ancorn_) from VNPT-VCI and was publicly disclosed on November 28, 2023 (Patchstack).

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) and has received varying CVSS scores. The National Vulnerability Database (NVD) assigned a CVSS v3.1 base score of 5.4 (Medium) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, while Patchstack rated it at 6.5 (Medium) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L (NVD).

This vulnerability could allow malicious actors to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when guests visit the affected site (Patchstack).

The vulnerability has been fixed in version 1.3.2 of the Currency Converter Calculator plugin. Users are advised to update to version 1.3.2 or later to remove the vulnerability. Patchstack has classified this as a low-priority security issue that is unlikely to be exploited (Patchstack).