CVE-2023-0357

Name: CVE-2023-0357
Creator: NVD / NIST
Published: 2023-04-04T23:15:07.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2023-0357 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.69%

47.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Helpy.Io	Helpy	2.8.0

References

https://fluidattacks.com/advisories/quayle/Exploit, Third Party Advisory
https://github.com/helpyio/helpy/Product
https://fluidattacks.com/advisories/quayle/Exploit, Third Party Advisory
https://github.com/helpyio/helpy/Product

Timeline

Published: Apr 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0357?

How severe is CVE-2023-0357?

CVE-2023-0357 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0357?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-0357?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST