CVE-2026-28561

MEDIUM
2026-02-28 [email protected]
5.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 28, 2026 - 22:16 nvd
MEDIUM 5.5

Tags

XSS Wpforo Forum

Description

wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows administrators to inject persistent JavaScript via forum description fields echoed without output escaping across multiple theme template files. On multisite installations or with a compromised admin account, attackers set a forum description containing HTML event handlers that execute when any user views the forum listing.

Analysis

wpForo Forum 2.4.14 fails to properly sanitize forum description fields, enabling authenticated administrators to store malicious JavaScript that executes in the browsers of all users viewing forum listings. On multisite installations or when admin credentials are compromised, attackers can leverage this stored XSS to conduct persistent attacks against forum users. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

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Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +28
POC: 0

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CVE-2026-28561 vulnerability details – vuln.today
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