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TI-2021-09351 Aliases CVE-2021-28115GHSA-fqp8-jg9q-g5qc

The OUGC Feedback plugin before 1.8.23 for MyBB allows XSS via the comment field of feedback during an edit operation.

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 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The OUGC Feedback plugin before 1.8.23 for MyBB allows XSS via the comment field of feedback during an edit operation.

Why it matters now

EPSS 0.00854 58th 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:ougc_feedback_project:ougc_feedback:*:*:*:*:*:mybb:*:*before 1.8.23VulnerableOugc Feedback Project
  • cpe:2.3:a:ougc_feedback_project:ougc_feedback:*:*:*:*:*:mybb:*:* Versions before 1.8.23 Vulnerable ·Ougc Feedback Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28115
  2. 2026-10-03 Alias added: GHSA-fqp8-jg9q-g5qc

References

Sources