VDB-348283 · CVE-2026-28562 · EUVD-2026-9111

gVectors wpForo Forum up to 2.4.14 Topics::get_topics wpfob sql injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in gVectors wpForo Forum up to 2.4.14. It has been classified as critical. Affected by this issue is the function Topics::get_topics. This manipulation of the argument wpfob causes sql injection. This vulnerability appears as CVE-2026-28562. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in gVectors wpForo Forum up to 2.4.14. Affected by this vulnerability is the function Topics::get_topics. The manipulation of the argument wpfob with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented by Scott Moore. It is possible to read the advisory at wordpress.org. This vulnerability is known as CVE-2026-28562 since 02/28/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

Upgrading to version 2.4.15 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-9111). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Forum Software

Vendor

gVectors

Name

wpForo Forum

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 8.2
CNA Vector (VulnCheck): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: wpForo Forum 2.4.15

Timelineinfo

02/28/2026 CVE reserved
03/01/2026 +1 days Advisory disclosed
03/01/2026 +0 days VulDB entry created
03/05/2026 +4 days VulDB entry last update

Sourcesinfo

Advisory: wordpress.org
Researcher: Scott Moore
Status: Confirmed

CVE: CVE-2026-28562 (🔒)
GCVE (CVE): GCVE-0-2026-28562
GCVE (VulDB): GCVE-100-348283
EUVD: 🔒

Entryinfo

Created: 03/01/2026 07:19
Updated: 03/05/2026 16:57
Changes: 03/01/2026 07:19 (79), 03/01/2026 21:40 (1), 03/02/2026 15:56 (1), 03/05/2026 16:57 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.