CVE-2025-63020
Stored XSS in Postie <= 1.9.73 Enables Persistent Script Injection
Publication date: 2025-12-31
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 |
|---|---|---|
| wayne_allen | postie | 1.9.73 |
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?
This vulnerability is a Stored Cross-site Scripting (XSS) issue in the Wayne Allen Postie plugin. It occurs due to improper neutralization of input during web page generation, allowing attackers to inject malicious scripts that are stored and later executed in users' browsers.
How can this vulnerability impact me? :
The vulnerability can lead to attackers executing malicious scripts in the context of the affected website, potentially resulting in unauthorized actions, data theft, session hijacking, or other malicious activities impacting confidentiality, integrity, and availability.