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CVE-2026-28562

HIGH 8.8 CVSS 4.0
Published
February 28, 2026
Last modified
June 17, 2026
NVD status
Analyzed
Reported by
disclosure@vulncheck.com
Weakness
CWE-89
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Description

wpForo 2.4.14 contains an unauthenticated SQL injection vulnerability in Topics::get_topics() where the ORDER BY clause relies on ineffective esc_sql() sanitization on unquoted identifiers. Attackers exploit the wpfob parameter with CASE WHEN payloads to perform blind boolean extraction of credentials from the WordPress database.

Affected WordPress components

  • wpForo Forum Plugin · wpforo
    Confirmed match Active
    Version 2.4.15; From 2.4 (including) to 2.4.15 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • gVectors Team wpForo Forum — From 2.4 (including) to 2.4.15 (excluding)
  • gvectors wpforo_forum — From 2.4.0 (including) to 2.4.15 (excluding)

References

  • wordpress.org https://wordpress.org/plugins/wpforo/ Product
  • wordpress.org https://wordpress.org/plugins/wpforo/#developers Release Notes
  • www.vulncheck.com https://www.vulncheck.com/advisories/wpforo-sql-injection-via-topics-order-by-parameter Third Party Advisory
  • nvd.nist.gov Official NVD record