One of the changelog entries for a recent version of Avartan Slider Lite was “Fixed: Security issues” and then it was changed to “Fixed: minor bug fix” a week later. Looking at the changes made in that version there were many security related changes. We ran the previous version through our Plugin Security Checker to see if it would identify possible vulnerabilities which we could further look into. Through that we found that there was at least a reflected cross-site scripting (XSS) vulnerability fixed in the new version.

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This post provides insights on a vulnerability in the WordPress plugin Avartan Slider Lite not discovered by us, where the discoverer hadn't provided the details needed for us to confirm the vulnerability while we were adding it to the data set for our service, so the rest of its contents are limited to subscribers of our service.

If you were using our service, you would have already been warned about this vulnerability if your website is vulnerable due to it. You can try out our service for free and then see the rest of the details of the vulnerability.

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