Vulnerability · CVE-2026-40229
Helpy contains a stored cross-site scripting vulnerability in the post author display logic.
Published Apr 29, 2026 · catalog updated Jun 17, 2026 · Helpy contains a stored
Check if you run it
No confirmed exploitation is on record for CVE-2026-40229. EPSS is 0.26%. Act only if a listed version of Helpy contains a stored is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Helpy contains a stored).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium5.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.26%
- Remediation
- Not established
- Affected products
- cpe helpy.io/helpy
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe helpy.io/helpy2.8.0
How to fix CVE-2026-40229
Recommended remediation
No required-action text, fix commit, or clear fixed-version range is stored yet.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-40229. EPSS is 0.26%. Act only if a listed version of Helpy contains a stored is installed.
Which versions are affected?
Compare what you have installed with 2.8.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-79: Cross-site Scripting (XSS). EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Apr 29, 2026 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2026-40229
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-40229
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-2026-40229
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,
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.