CVE-2026-57809 HIGH

CVE-2026-57809: WordPress AffiliateWP plugin <= 2.34.0 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Affiliatewp

Product AffiliateWP

Weakness CWE-79 · XSS

Published July 23, 2026

Last update July 23, 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 AffiliateWP <= 2.34.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

AffiliateWP versions up to 2.34.0 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability requires user interaction—typically clicking a malicious link—and can affect multiple users across the site. An attacker needs no authentication to exploit this flaw.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers, potentially stealing session tokens or performing actions on their behalf.

Potential impact on your site

04Site Impact

Users visiting affected pages could have their sessions compromised or be redirected to malicious sites; site reputation and user trust at risk.

Conditions required to exploit

05Prerequisites

Victim must click a malicious link or visit an attacker-controlled page; no authentication required.

Key dates

06Disclosure timeline

July 23, 2026 CVE published

July 23, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-57809 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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