CVE-2025-26767

Summary

CVE-2025-26767 is a Cross-site Scripting (XSS) vulnerability affecting Themeum Qubely – Advanced Gutenberg Blocks. The flaw, which allows Stored XSS, is due to improper neutralization of user inputs during web page generation. Unpatched versions of Qubely – Advanced Gutenberg Blocks, specifically from n/a through 1.8.12, are susceptible to this issue. Attackers can exploit this vulnerability to inject malicious scripts into a targeted user's web page, potentially stealing sensitive information or taking control of their account. Users are advised to update their plugin to the latest version as soon as possible to mitigate the risk of this vulnerability.

Prevent cyber attacks with Recorded Future by prioritizing and patching critical vulnerabilities being exploited by threat actors targeting your industry. Book your demo to learn more.