CVE-2026-78289 HIGH

CVE-2026-78289: WordPress CozyStay theme <= 1.10.0 - Cross Site Scripting (XSS) vulnerability

Vendor Loftocean

Product CozyStay

Weakness CWE-79 · XSS

Published August 27, 2026

Last update August 27, 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 CozyStay <= 1.10.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

CozyStay versions up to 1.10.0 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—victims must visit a crafted link or page. When exploited, attackers can steal session cookies, redirect users, or perform actions on their behalf. The impact extends beyond the vulnerable component to affect other parts of the application.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in users' browsers to steal data or perform unauthorized actions.

Potential impact on your site

04Site Impact

Users visiting crafted links could have their sessions hijacked or be redirected to phishing sites.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

August 27, 2026 CVE published

August 27, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-78289 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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