CVE-2026-57755 MEDIUM

CVE-2026-57755: WordPress Mosaic Gallery – Advanced Gallery plugin <= 1.2.0 - Cross Site Scripting (XSS) vulnerability

Vendor Misbah Wp

Product Mosaic Gallery – Advanced Gallery

Weakness CWE-79 · XSS

Published July 2, 2026

Last update July 2, 2026

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Contributor Cross Site Scripting (XSS) in Mosaic Gallery – Advanced Gallery <= 1.2.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Mosaic Gallery – Advanced Gallery versions up to 1.2.0 contain a cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect site visitors across different security contexts.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Site visitors' sessions and data can be compromised if a low-privilege user injects malicious code into gallery content.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; victim must view a page containing the injected content.

Key dates

06Disclosure timeline

July 2, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-57755 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html

Related vulnerabilities

Identifiers

CVE CVE-2026-57755

CWE CWE-79

CVSS 6.5 / MEDIUM

Affected versions