CVE-2026-28558

MEDIUM 6.4

wpForo Forum 2.4.14 Stored XSS via SVG Avatar File Upload

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	gvectors team
Product	wpforo forum
Published	Feb 28, 2026
Last Updated	Mar 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

gVectors Team / wpForo Forum

2.4 < 2.4.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Scott Moore - VulnCheck