CVE-2023-1317
Published: 10 March 2023
Summary
CVE-2023-1317 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Enhancesoft Osticket. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 8.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2023-1317 is a reflected cross-site scripting vulnerability (CWE-79) affecting the osTicket open-source ticketing system in the osticket/osticket GitHub repository prior to version 1.16.6. The flaw carries a CVSS 3.1 base score of 5.4 and stems from insufficient input sanitization that allows attacker-controlled data to be reflected in responses.
An authenticated user with low privileges can supply a crafted request that, when a victim with a higher-privileged session interacts with a malicious link, executes arbitrary script in the context of the osTicket application. Successful exploitation yields limited read and write access to application data within a changed security scope but does not directly impact availability.
The referenced GitHub commit daee20fdd8ac926d9aee700b201ac2cb35d448ca and the associated huntr.dev report document the fix that was merged to address the issue; administrators should upgrade to osTicket 1.16.6 or later to obtain the remediation. The EPSS score has remained flat at 0.0647 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-23575
Vulnerability details
Cross-site Scripting (XSS) - Reflected in GitHub repository osticket/osticket prior to v1.16.6.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.