CVE-2026-28558
MEDIUM EPSS 10.9%
Published Feb 28, 20264mo ago · Modified Mar 4, 20263mo ago
5.1 CVSS 4.0
Published Feb 28, 2026 4mo ago
Last Modified Mar 4, 2026 3mo ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
10.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| gvectors | wpforo_forum | * | ≥2.4.0 – <2.4.16 |
References 3
- wordpress.org https://wordpress.org/plugins/wpforo/
- wordpress.org https://wordpress.org/plugins/wpforo/#developers
- vulncheck.com https://www.vulncheck.com/advisories/wpforo-forum-stored-xss-via-svg-avatar-file-upload
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.