Medium severity · published Apr 29, 2026
CVE-2026-40230
Helpy 2.8.0 - Stored XSS in knowledgebase Doc body rendering
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.This issue affects helpy: 2.8.0.
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 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HE
helpy · helpyio
2.8.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-40230
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-40230
Exploit
https://fluidattacks.com/es/advisories/prisioneros
Product
https://github.com/helpyio/helpy
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