CVE-2017-16881: Symphony Project Symphony

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

b3log Symphony (aka Sym) 2.2.0 does not properly address XSS in JSON objects, as demonstrated by a crafted userAvatarURL value to /settings/avatar, related to processor/AdminProcessor.java, processor/ArticleProcessor.java, processor/UserProcessor.java, service/ArticleQueryService.java, service/AvatarQueryService.java, and service/CommentQueryService.java.

Affected products

• Symphony Project Symphony: version 2.2.0 only

Published 2017-11-18. Last modified 2026-06-17.