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TI-2017-12426 Aliases CVE-2017-16881GHSA-9jvg-42fv-8hwv

b3log Symphony (aka Sym) 2.2.0 does not properly address XSS in JSON objects, as…

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00819 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:symphony_project:symphony:2.2.0:*:*:*:*:*:*:*2.2.0VulnerableSymphony Project
  • cpe:2.3:a:symphony_project:symphony:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·Symphony Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-16881
  2. 2026-10-03 Alias added: GHSA-9jvg-42fv-8hwv

References

Exploit 1

  • TI-2017-12488 b3log Symphony (aka Sym) 2.2.0 allows an XSS attack by sending a private letter with a… CVSS 3.0MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences