CVE-2026-27420
Deferred Deferred - Pending Action

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Vulnerability report for CVE-2026-27420, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: Patchstack

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Katie Seaborn Zotpress zotpress allows Stored XSS.This issue affects Zotpress: from n/a through 7.4.4.

CVSS Scores

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Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-19
AI Q&A
2026-10-08
EPSS Evaluated
2026-10-18
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Katie Seaborn Zotpress 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the Zotpress plugin by Katie Seaborn. It allows attackers to inject malicious scripts into web pages that are then stored and executed when other users view those pages. The issue exists in versions up to 7.4.4.

Detection Guidance

To detect this Stored XSS vulnerability in Zotpress, inspect web application inputs for script tags or event handlers in stored data like posts or profiles. Check for user-supplied content rendered without proper sanitization. Use browser developer tools to monitor network requests for suspicious payloads. Review server logs for unusual input patterns.

Impact Analysis

An attacker could steal user session cookies, redirect users to malicious sites, or perform actions on their behalf. Users with access to the Zotpress plugin could have their credentials compromised or be tricked into disclosing sensitive information.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face fines or legal consequences if exploited.

Mitigation Strategies

Update Zotpress to the latest version (7.4.4 or higher) to patch the vulnerability. If updating is not possible, consider disabling the plugin temporarily until a fix is applied.

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