Medium severity · published Feb 28, 2026
CVE-2026-28558
wpForo Forum 2.4.14 Stored XSS via SVG Avatar File Upload
5.4
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
wpForo Forum · gVectors Team
2.4 before 2.4.16 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28558
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28558
Product
https://wordpress.org/plugins/wpforo/
Release Notes
https://wordpress.org/plugins/wpforo/#developers
Third Party Advisory
https://www.vulncheck.com/advisories/wpforo-forum-stored-xss-via-svg-avatar-file-upload
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