Which products and versions are affected by CVE-2026-54836?

Affected: ymc-smart-filter (wordpress-plugin) versions >= n/a. The full list is in the CVE brief.

Is CVE-2026-54836 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2026-54836 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-54836?

No public exploit code is known.

Is there a fix for CVE-2026-54836?

Fixed versions are available, including ymc-smart-filter 3.11.6.

How urgently should CVE-2026-54836 be patched?

Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Request A Demo

Vulnerability Intelligence

CVE-2026-54836

Critical

YMC Filter <= 3.11.5 - Unauthenticated SQL Injection

Published Jun 18, 2026 · Updated Jun 26, 2026 · Also known as 42ecfca7-d285-4f14-8389-966b7b6320e7

Key Facts

Patch in the next maintenance window

CVE-2026-54836 is a critical-severity vulnerability (CVSS 9.3 v3.1) affecting ymc-smart-filter (wordpress-plugin).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 1.3% probability of exploitation in the next 30 days.
Fixed versions are available, including ymc-smart-filter 3.11.6.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

CVSS v3.1

9.3

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

EPSS (30-day exploit likelihood)

1.3%

Higher than 70.8% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2026-54836 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in YMC Filter allows SQL Injection.

This issue affects YMC Filter: from n/a through 3.11.5.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
ymc-smart-filterwordpress-plugin	>= n/a	3.11.6

Patched Releases

ymc-smart-filter

3.11.6

Timeline

Publicly disclosed
Jun 18, 2026
Last updated
Jun 26, 2026

Weakness Type

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References

FAQ

Common Questions.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in YMC Filter allows SQL Injection.
Affected: ymc-smart-filter (wordpress-plugin) versions >= n/a. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including ymc-smart-filter 3.11.6.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Is CVE-2026-54836 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.