CVE-2026-8884
Stored XSS in Instant-Quote.co Quotation Page WordPress Plugin
Publication date: 2026-05-27
Last updated on: 2026-05-27
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wpinstantquote | quotation_page | to 1.3.4 (inc) |
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?
The Instant-Quote.co Quotation Page plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in all versions up to and including 1.3.4. This vulnerability arises because the plugin does not properly sanitize input or escape output in shortcode attributes.
Authenticated users with contributor-level access or higher can inject malicious scripts into pages by embedding specially crafted shortcodes. These scripts execute whenever a user views the infected page, potentially affecting users with higher privileges such as administrators.
How can this vulnerability impact me? :
This vulnerability allows an attacker with contributor-level access to inject arbitrary web scripts into posts or pages. When higher-privileged users, like administrators, view or preview these posts, the malicious scripts execute in their browsers.
The impact includes potential theft of sensitive information, session hijacking, or unauthorized actions performed with the privileges of the affected user. Since the vulnerability does not require user interaction beyond viewing the infected page, it poses a significant security risk.