CVE-2026-28558
Received Received - Intake

Stored XSS via SVG Avatar Upload in wpForo Forum

Publication date: 2026-02-28

Last updated on: 2026-03-04

Assigner: VulnCheck

Description
wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows authenticated subscribers to upload SVG files as profile avatars through the avatar upload functionality. Attackers upload a crafted SVG containing CSS injection or JavaScript event handlers that execute in the browsers of any user who views the attacker's profile page.

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Meta Information

Published
2026-02-28
Last Modified
2026-03-04
Generated
2026-07-06
AI Q&A
2026-03-01
EPSS Evaluated
2026-07-05
NVD
CVE-2026-28558
EUVD
EUVD-2026-9107

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
gvectors wpforo_forum From 2.4.0 (inc) to 2.4.16 (exc)

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.

Attack-Flow Graph

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Executive Summary

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.

Impact Analysis

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.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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