CVE-2026-28558
Stored XSS via SVG Avatar Upload in wpForo Forum
Publication date: 2026-02-28
Last updated on: 2026-03-04
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gvectors | wpforo_forum | From 2.4.0 (inc) to 2.4.16 (exc) |
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 vulnerability in wpForo Forum 2.4.14 is a stored cross-site scripting (XSS) issue. Authenticated subscribers can upload SVG files as profile avatars. These SVG files can contain malicious CSS or JavaScript event handlers that execute in the browsers of users who view the attacker's profile page.
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute malicious scripts in the browsers of users who visit the attacker's profile page. This can lead to unauthorized actions, theft of sensitive information such as cookies or session tokens, and potentially compromise user accounts or the integrity of the forum.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know