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TI-2026-17819 Aliases CVE-2026-22209GHSA-hrwg-p9c4-49wp

wpDiscuz before 7.6.47 - Cross-Site Scripting via Unescaped Custom CSS in Style Tag

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

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

Summary

wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like </style><script>alert(1)</script> in the custom CSS setting to execute arbitrary JavaScript in user browsers.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00236 14th percentileScored 2026-11-07
Fix Fixed wpDiscuz (gVectors): 7.6.47

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
gVectors TeamwpDiscuzbefore 7.6.477.6.47Patch availableCNA
  • wpDiscuz VendorgVectors Team Affected before 7.6.47 Fixed in 7.6.47 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gvectors:wpdiscuz:*:*:*:*:*:wordpress:*:*before 7.6.47VulnerablegVectors Team
  • cpe:2.3:a:gvectors:wpdiscuz:*:*:*:*:*:wordpress:*:* Versions before 7.6.47 Vulnerable ·gVectors Team

Remediation

  • Fix · CNA wpDiscuz (gVectors) Fixed in 7.6.47

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    gVectors wpDiscuz 7.6.47

    11 records Highest priority Priority MEDIUM 2 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2026-17792 wpDiscuz before 7.6.47 - Unauthenticated Email Notification Flood via wpdCheckNotificationTypePriority MEDIUM 44
    • TI-2026-17803 wpDiscuz before 7.6.47 - SQL Injection in getAllSubscriptions()Priority MEDIUM 42
    • TI-2026-17826 wpDiscuz before 7.6.47 - No Rate Limiting on Subscription Endpoints with LIKE Wildcard BypassPriority LOW 36
    Show all 11 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22209
  2. 2026-10-03 Alias added: GHSA-hrwg-p9c4-49wp

References

Patch 1

Other 1

  • TI-2020-14828 A Remote Code Execution vulnerability exists in the gVectors wpDiscuz plugin 7.0 through… CVSS 3.1CRITICAL 10.0
  • TI-2026-17809 Voltronic Power SNMP Web Pro 1.1 Path Traversal via upload.cgi CVSS 4.0HIGH 8.7
  • TI-2020-10702 A SQL injection issue in the gVectors wpDiscuz plugin 5.3.5 and earlier for WordPress… CVSS 3.1CRITICAL 9.8
  • TI-2026-17792 wpDiscuz before 7.6.47 - Unauthenticated Email Notification Flood via wpdCheckNotificationType CVSS 4.0HIGH 8.7
  • TI-2024-08805 Comments – wpDiscuz <= 7.6.24 - Authentication Bypass via WordPress.com OAuth provider CVSS 3.1CRITICAL 9.8
  • TI-2026-17803 wpDiscuz before 7.6.47 - SQL Injection in getAllSubscriptions() CVSS 4.0CRITICAL 9.2
See all 32 →

Sources

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