CVE-2026-28562

Name: CVE-2026-28562
Creator: NVD / NIST
Published: 2026-02-28T22:16:03.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2026-28562 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

8.8/10

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

EPSS Probability

0.43%

34.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Gvectors	Wpforo Forum	>= 2.4.0, < 2.4.15

References

https://wordpress.org/plugins/wpforo/Product
https://wordpress.org/plugins/wpforo/#developersRelease Notes
https://www.vulncheck.com/advisories/wpforo-sql-injection-via-topics-order-by-parameterThird Party Advisory

Timeline

Published: Feb 28, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-28562?

How severe is CVE-2026-28562?

CVE-2026-28562 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2026-28562?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-28562?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST