CVE-2022-43017
Published: 19 October 2022
Summary
CVE-2022-43017 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Opencats Opencats. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 14.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
OpenCATS version 0.9.6 contains a reflected cross-site scripting vulnerability in the indexFile component, classified under CWE-79. The flaw carries a CVSS 3.1 score of 6.1 with a network attack vector, low complexity, no required privileges, and required user interaction, resulting in limited impacts to confidentiality and integrity with changed scope.
An unauthenticated attacker can supply a malicious payload through the affected parameter and induce a victim to visit a crafted URL. Successful exploitation allows execution of arbitrary script in the victim's browser context, potentially leading to session hijacking or unauthorized actions within the application.
Public proof-of-concept code demonstrating the issue has been published on GitHub, but no vendor advisories or official patches are referenced in the available sources. The EPSS score rose from a low baseline to a peak of 0.1241 before receding to its current value of 0.0245, indicating a period of increased exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-46066
Vulnerability details
OpenCATS v0.9.6 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the indexFile component.
- 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.