Description

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.

Remediation

References

https://github.com/b3log/symphony/issues/504

Related Vulnerabilities

CVE-2018-1000632 Vulnerability in maven package dom4j:dom4j

CVE-2020-27224 Vulnerability in npm package @theia/preview

CVE-2020-8131 Vulnerability in npm package yarn

CVE-2021-32573 Vulnerability in npm package express-cart

CVE-2020-7646 Vulnerability in npm package curlrequest

Severity

High

Classification

CWE-79 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tags

Exploit Third Party Advisory