How severe is CVE-2026-40230?

CVE-2026-40230 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-40230 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40230?

CVE-2026-40230 affects Helpy.io Helpy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40230?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-40230 have an EU (EUVD) identifier?

Yes. CVE-2026-40230 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26245.

When was CVE-2026-40230 published?

CVE-2026-40230 was published on 2026-04-29 and last updated on 2026-06-17.

CVE-2026-40230

CVE-2026-40230 is a medium-severity vulnerability in Helpy.io Helpy with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v4: 4.8
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26245
Weakness: CWE-79
Affected product: Helpy.io Helpy
Published: 2026-04-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-40230?: 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.
How severe is CVE-2026-40230?: CVE-2026-40230 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-40230 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40230?: CVE-2026-40230 affects Helpy.io Helpy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40230?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40230 have an EU (EUVD) identifier?: Yes. CVE-2026-40230 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26245.
When was CVE-2026-40230 published?: CVE-2026-40230 was published on 2026-04-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:helpy.io:helpy:2.8.0:*:*:*:*:*:*:*

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CVE-2018-20851 — High (CVSS 8.8): Helpy before 2.2.0 allows agents to edit admins.
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