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TI-2026-80131 Aliases CVE-2026-116047GHSA-55h7-pmh2-9w68

Cross-site scripting in Privoce Vocechat query parameter handler

Priority MEDIUM 57CWE-79Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

Privoce Vocechat up to and including 0.9.121 is affected. A flaw in the Query Parameter Handler in widget.html lets the welcome argument inject script into generated web pages (CWE-79). A remote attacker needs no privileges to trigger it. A public exploit has been disclosed, and the vendor did not respond to early contact about the issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A vulnerability has been found in Privoce Vocechat up to 0.9.121. This issue affects some unknown processing of the file widget.html of the component Query Parameter Handler. Such manipulation of the argument welcome leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00263 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PrivoceVocechat0.9.121—No fix listedCNA
  • Vocechat VendorPrivoce Affected 0.9.121 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:privoce:vocechat:*:*:*:*:*:*:*:*——Privoce
  • cpe:2.3:a:privoce:vocechat:*:*:*:*:*:*:*:* Versions — — ·Privoce

Remediation

The sources list no fixed version for Privoce Vocechat.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-25 Threatist record created from CVE-2026-116047
  2. 2026-10-27 Alias added: GHSA-55h7-pmh2-9w68
  3. 2026-10-29 CISA SSVC decision points changed
  4. 2026-10-29 Priority changed: LOW → MEDIUM

References

Exploit 1

  • TI-2026-65031 Privoce VoceChat Server open_graphic_parse Endpoint resource.rs fetch server-side request forgery CVSS 4.0MEDIUM 6.9

Sources

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