A stored cross-site scripting (XSS) vulnerability in October CMS Bloghub Plugin v1.3.8 and lower allows attackers to execute arbitrary web scripts or HTML via a crafted payload into the Comments section.
https://www.getastra.com/blog/vulnerability/stored-xss-vulnerability-in-bloghub-plugin/
https://github.com/RatMD/bloghub-plugin/blob/master/CHANGELOG.md#version-139---stable