CVE-2021-42119
Published: 30 November 2021
Summary
CVE-2021-42119 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Businessdnasolutions Topease. Its CVSS base score is 7.3 (High).
Operationally, ranked in the top 37.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-29104
Vulnerability details
Persistent Cross Site Scripting in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 via the Search Functionality allows authenticated users with Object Modification privileges to inject arbitrary HTML and JavaScript in object attributes, which is then…
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rendered in the Search Functionality, to alter the intended functionality and steal cookies, the latter allowing for account takeover.
- 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.