CVE-2023-31434
Published: 02 May 2023
Summary
CVE-2023-31434 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Evasys Evasys. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 43.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-35742
Vulnerability details
The parameters nutzer_titel, nutzer_vn, and nutzer_nn in the user profile, and langID and ONLINEID in direct links, in evasys before 8.2 Build 2286 and 9.x before 9.0 Build 2401 do not validate input, which allows authenticated attackers to inject HTML…
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Code and XSS payloads in multiple locations.
- 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.