CVE-2025-58821
BaseFortify
Publication date: 2025-09-05
Last updated on: 2026-04-23
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wpdever | wp_notification_bell | * |
Helpful Resources
Exploitability
| 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
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2025-58821 is a Cross Site Scripting (XSS) vulnerability in the WordPress WP Notification Bell Plugin (versions up to 1.4.5). It allows a malicious actor with Author-level privileges to inject and execute malicious scripts, such as redirects or advertisements, on websites using the affected plugin when visitors access the site. This occurs due to improper neutralization of input during web page generation. [1]
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute malicious scripts on your website, potentially leading to unwanted redirects, display of malicious advertisements, or other harmful HTML payloads. Although the risk is considered low priority and unlikely to be widely exploited, it can compromise the integrity and user experience of your website if exploited. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection of this vulnerability involves identifying attempts to inject malicious scripts via the WP Notification Bell plugin. Since the vulnerability requires Author-level privileges to exploit, monitoring for unusual script injections or unexpected HTML payloads in user-generated content is key. However, no specific detection commands or signatures are provided. Users are advised not to rely solely on plugin-based malware scanners and to consider professional incident response services if compromise is suspected. [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include applying virtual patching (vPatching) provided by Patchstack, which auto-mitigates the vulnerability without an official patch or performance loss. Since no official fix is available as of the publication date, users should implement this virtual patching solution. Additionally, monitoring for suspicious activity and seeking professional incident response services if compromise is suspected are recommended. [1]