CVE-2017-16881 — MEDIUM (6.1)

Vulnerability 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.

CVSS Score

6.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Symphony Project	Symphony	2.2.0

Related Weaknesses (CWE)

CWE-79

References

https://github.com/b3log/symphony/issues/504ExploitThird Party Advisory
https://github.com/b3log/symphony/issues/504ExploitThird Party Advisory

FAQ

What is CVE-2017-16881?

CVE-2017-16881 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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/...

How severe is CVE-2017-16881?

CVE-2017-16881 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-16881?

Check the references section above for vendor advisories and patch information. Affected products include: Symphony Project Symphony.