Helpy
CVE-2023-0357
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
Helpy version 2.8.0 allows an unauthenticated remote attacker to exploit an XSS stored in the application. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Helpy.Io Helpy. Version information: version 2.8.0.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Stored cross-site scripting in Helpy 2.8.0 allows any registered user to persist arbitrary HTML in their account display
Stored cross-site scripting in Helpy 2.8.0's knowledge base Doc rendering logic allows authenticated admin or agent edit
Cross Site Scripting vulnerability in Helpy.io v.2.8.0 allows a remote attacker to escalate privileges via the New Topic
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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