by Kastro
Paper/Archive/CVE-2026-28562

CVE-2026-28562

gVectors Team wpForo Forum — wpForo Forum 2.4.14 SQL Injection via Topics ORDER BY Parameter

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 41.6.416 × 208.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
wpForo Forum2.4 – < 2.4.152.4.15CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
VulnCheck (CNA)8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refwordpress.org/plugins/wpforopatchwordpress.org/plugins/wpforo/#developerswriteupvulncheck.com/advisories/wpforo-sql-injection-via-topics-order-by-parameter