Description
The BuddyPress Instant Chat WordPress plugin through 1.6 does not check that the sender of a chat message belongs to the conversation it is being added to, nor does it escape message content before outputting it back, allowing unauthenticated users to store arbitrary web scripts that will execute in the session of any member who later views that conversation.
Published: 2026-10-11
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sun, 11 Oct 2026 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285

Sun, 11 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sun, 11 Oct 2026 08:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285
CWE-79

Sun, 11 Oct 2026 06:30:00 +0000

Type Values Removed Values Added
Description The BuddyPress Instant Chat WordPress plugin through 1.6 does not check that the sender of a chat message belongs to the conversation it is being added to, nor does it escape message content before outputting it back, allowing unauthenticated users to store arbitrary web scripts that will execute in the session of any member who later views that conversation.
Title BuddyPress Instant Chat <= 1.6 - Unauthenticated Stored XSS via Chat Message
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-11T11:32:43.245Z

Reserved: 2026-09-09T07:22:46.726Z

Link: CVE-2026-87764

cve-icon Vulnrichment

Updated: 2026-10-11T11:19:45.486Z

cve-icon NVD

Status : Received

Published: 2026-10-11T07:17:26.913

Modified: 2026-10-11T12:17:25.390

Link: CVE-2026-87764

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-11T15:00:12Z

Weaknesses