CVE-2026-57366 HIGH

CVE-2026-57366: WordPress WPAdverts plugin <= 2.3.1 - Cross Site Scripting (XSS) vulnerability

Vendor Greg Winiarski

Product WPAdverts

Weakness CWE-79 · XSS

Published July 2, 2026

Last update July 2, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Cross Site Scripting (XSS) in WPAdverts <= 2.3.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WPAdverts versions up to 2.3.1 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the site. An attacker can craft a malicious link that, when clicked by a site visitor, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement. Update to version 2.3.2 or later.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in visitors' browsers via a crafted link.

Potential impact on your site

04Site Impact

Visitors' sessions can be hijacked, credentials stolen, or site content defaced without your knowledge.

Conditions required to exploit

05Prerequisites

A site visitor must click an attacker-controlled link while logged in or visiting the site.

Key dates

06Disclosure timeline

July 2, 2026 CVE published

July 2, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-57366 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html

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