CVE-2017-16881

MediumCVSS 6.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 6.1/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/b3log/symphony/issues/504Exploit, Third Party Advisory
https://github.com/b3log/symphony/issues/504Exploit, Third Party Advisory

Timeline

Published: Nov 18, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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