TI-2023-00341 Aliases CVE-2023-0357 GHSA-g23c-4prh-q9fg

Cross-site scripting in Helpy

MEDIUM 60CWE-79Published 2023-04-04 · Updated 2025-02-13

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

Helpy version 2.8.0 allows an unauthenticated remote attacker to exploit an XSS stored in the application. This is possible because the application does not correctly validate the attachments sent by customers in the ticket.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00687 52nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Helpy	2.8.0	—	No fix listed	CNA

Helpy Vendor— Affected 2.8.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:helpy.io:helpy:2.8.0:::::::*	2.8.0	Vulnerable	helpyio

cpe:2.3:a:helpy.io:helpy:2.8.0:*:*:*:*:*:*:* Versions 2.8.0 Vulnerable ·helpyio

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-0357
2026-10-03 Alias added: GHSA-g23c-4prh-q9fg

References

Exploit 1

https://fluidattacks.com/advisories/quayle/

Other 1

https://github.com/helpyio/helpy/

TI-2025-32500 Cross Site Scripting vulnerability in Helpy.io v.2.8.0 allows a remote attacker to… CVSS 3.1MEDIUM 6.1
TI-2018-14813 Helpy before 2.2.0 allows agents to edit admins. CVSS 3.0HIGH 8.8
TI-2018-13383 Helpy v2.1.0 has Stored XSS via the Ticket title. CVSS 3.1MEDIUM 6.1
TI-2026-29034 Helpy 2.8.0 - Stored XSS in post author display via PostsHelper CVSS 4.0MEDIUM 5.1
TI-2026-29035 Helpy 2.8.0 - Stored XSS in knowledgebase Doc body rendering CVSS 4.0MEDIUM 4.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences