CVE-2026-28558

5.1 mediumEPSS 0.2%

Medium (5.1) in gvectors wpforo forum. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.1 medium

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

CVSS 3.1

5.4 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-11-01)
CWE: CWE-79
Published: 2026-02-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

gvectors:wpforo_forum

References

https://wordpress.org/plugins/wpforo/
https://wordpress.org/plugins/wpforo/#developers
https://www.vulncheck.com/advisories/wpforo-forum-stored-xss-via-svg-avatar-file-upload

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