Which products and versions are affected by CVE-2026-28141?

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

Is CVE-2026-28141 being exploited in the wild?

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

Is CVE-2026-28141 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-2026-28141?

No public exploit code is known.

Is there a fix for CVE-2026-28141?

Fixed versions are available, including nextgen-gallery 4.2.4.

How urgently should CVE-2026-28141 be patched?

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

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Vulnerability Intelligence

CVE-2026-28141

High

Unauthenticated Cross Site Scripting (XSS) in NextGEN Gallery <= 4.2.3 versions.

Published Aug 6, 2026 · Updated Aug 13, 2026 · Also known as a41c2ee9-2c9a-4b01-8594-fe608f9d2bf2

Key Facts

Patch in the next maintenance window

CVE-2026-28141 is a high-severity vulnerability (CVSS 7.1 v3.1) affecting nextgen-gallery (wordpress-plugin).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 0.5% probability of exploitation in the next 30 days.
Fixed versions are available, including nextgen-gallery 4.2.4.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

CVSS v3.1

7.1

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

EPSS (30-day exploit likelihood)

0.5%

Higher than 39.0% 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-2026-28141 brief as a PDF

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

Description

Unauthenticated Cross Site Scripting (XSS) in NextGEN Gallery <= 4.2.3 versions.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
nextgen-gallerywordpress-plugin	>= n/a	4.2.4

Patched Releases

nextgen-gallery

4.2.4

Timeline

Publicly disclosed
Aug 6, 2026
Last updated
Aug 13, 2026

Weakness Type

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

FAQ

Common Questions.

Unauthenticated Cross Site Scripting (XSS) in NextGEN Gallery <= 4.2.3 versions.
Affected: nextgen-gallery (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 nextgen-gallery 4.2.4.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Is CVE-2026-28141 Running On Your Attack Surface?

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