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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.

PUBLISHED Reserved 2026-04-10 | Published 2026-04-29 | Updated 2026-04-29 | Assigner Fluid Attacks




MEDIUM: 4.8CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
unaffected

2.8.0
affected

Credits

Oscar Uribe finder

Fluid Attacks' AI SAST Scanner finder

References

fluidattacks.com/es/advisories/prisioneros third-party-advisory

github.com/helpyio/helpy product

cve.org (CVE-2026-40230)

nvd.nist.gov (CVE-2026-40230)

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