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Critical severity · published Feb 28, 2026
CVE-2026-28562
wpForo Forum 2.4.14 SQL Injection via Topics ORDER BY Parameter
9.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
wpForo Forum · gVectors Team
2.4 before 2.4.15 · source: vendor, NVD
Affected product
WF
wpForo Forum
gVectors Team
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28562
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28562
Product
https://wordpress.org/plugins/wpforo/
Release Notes
https://wordpress.org/plugins/wpforo/#developers
Third Party Advisory
https://www.vulncheck.com/advisories/wpforo-sql-injection-via-topics-order-by-parameter
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