Cyber Resilience

CVE-2023-29442

Medium

Published: 26 April 2023

Published
26 April 2023
Modified
03 February 2025
KEV Added
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Patch
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CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0515 90.1th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-29442 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Zohocorp Manageengine Applications Manager. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 9.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

Zoho ManageEngine Applications Manager versions prior to 16400 contain a DOM-based cross-site scripting flaw in the proxy.html component, tracked as CVE-2023-29442 and assigned CWE-79. The issue carries a CVSS 3.1 score of 6.1 reflecting network attack vector, low complexity, no required privileges, and required user interaction with changed scope.

An unauthenticated remote attacker can supply a crafted request that triggers script execution inside the browser of a user who follows a malicious link or visits a compromised page. Successful exploitation allows limited reading and modification of application data within the affected ManageEngine instance.

The vendor advisory at manageengine.com directs customers to apply the security update that ships with Applications Manager build 16400, which resolves the proxy.html input handling weakness.

EPSS remains flat at 0.0515 with no observed increase after disclosure.

EU & UK References

Vulnerability details

Zoho ManageEngine Applications Manager before 16400 allows proxy.html DOM XSS.

CWE(s)
CWE-79

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

zohocorp
manageengine applications manager
16.3 · ≤ 16.3

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.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References