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Medium 5.1Published Apr 29, 2026

CVE-2026-40229Helpy 2.8.0 - Stored XSS in post author display via PostsHelper

Updated under an hour ago ()

Does this affect you?

It affects helpyio helpy and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Helpy contains a stored cross-site scripting vulnerability in the post author display logic. Any registered user can persist arbitrary HTML in their account name field and cause it to be rendered unescaped in public forum threads where they participate, in the admin ticket view, and in HTML notification emails sent to other users.This issue affects helpy: 2.8.0.

CVSS
5.1 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Weakness (CWE)
CWE-79
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Fluid Attacks
NVD analysis
Analyzed
Record last updated
Apr 29, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
helpyio helpy
helpyio:helpy (from the name)
2.8.0
CNA record
helpy.io helpy
helpy.io:helpy
2.8.0
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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