CVE-2025-58850
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-05

Last updated on: 2026-04-23

Assigner: Patchstack

Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in marcshowpass Showpass WordPress Extension showpass allows Stored XSS.This issue affects Showpass WordPress Extension: from n/a through <= 4.0.3.
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Meta Information
Published
2025-09-05
Last Modified
2026-04-23
Generated
2026-05-07
AI Q&A
2025-09-05
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
showpass wordpress_extension *
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.
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AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?

Immediate mitigation steps include applying virtual patching (vPatching) as provided by Patchstack to protect the site in absence of an official fix. Additionally, restricting contributor-level privileges and monitoring for suspicious activity can help reduce risk. [1]


How can this vulnerability be detected on my network or system? Can you suggest some commands?

Detection of this vulnerability involves monitoring for malicious script injections by users with contributor-level privileges. Since plugin-based malware scanners are often unreliable, professional incident response or server-side malware scanning is recommended. Specific commands are not provided in the available resources. [1]


Can you explain this vulnerability to me?

This vulnerability is a Stored Cross-site Scripting (XSS) issue in the Showpass WordPress Extension plugin up to version 4.0.3. It allows an attacker with contributor-level privileges to inject malicious scripts into the website. These scripts can execute when visitors access the site, potentially causing redirects, displaying unwanted advertisements, or executing other harmful HTML payloads. [1]


How can this vulnerability impact me? :

The vulnerability can impact you by allowing attackers to inject malicious scripts that execute in the browsers of your website visitors. This can lead to unauthorized redirects, display of unwanted content, or other malicious actions that compromise user experience and potentially the security of your site. Although the exploitation risk is considered low and unlikely, automated attacks may still occur. There is no official fix yet, so mitigation strategies like virtual patching are recommended. [1]


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