CVE-2022-39824
Published: 05 September 2022
Summary
CVE-2022-39824 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Appsmith Appsmith. Its CVSS base score is 8.9 (High).
Operationally, ranked in the top 27.5% 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-2022-42269
Vulnerability details
Server-side JavaScript injection in Appsmith through 1.7.14 allows remote attackers to execute arbitrary JavaScript code from the server via the currentItem property of the list widget, e.g., to perform DoS attacks or achieve an information leak.
- 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.