CVE-2026-28558

wpForo Forum 2.4.14 Stored XSS via SVG Avatar File Upload

MEDIUM
5.4
CVSS Score
Published: February 28, 2026 at 09:47 PM UTC
Updated: June 17, 2026 at 10:28 AM UTC
1 product affected across 1 vendorwpForo Forum

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

wpForo Forum· Gvectorswordpress-plugin
95%
2.4 ≤ v < 2.4.162.4.0 ≤ v < 2.4.162.4
Vendor states this is fixed in 2.4.16 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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