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MEDIUM severity

CVE-2023-28341 — Manageengine Applications Manager

MEDIUM

CVE-2023-28341 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in zohocorp manageengine applications manager. EPSS puts its 30-day exploitation probability at 98.7% (100th percentile). A fix is available — see the affected versions and patch details below.

Stored Cross site scripting (XSS) vulnerability in Zoho ManageEngine Applications Manager through 16340 allows an unauthenticated user to inject malicious javascript on the incorrect…

Published
Updated
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Oct 27, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2023-28341.

EPSS Exploitation Probability

via FIRST.org ↗
98.7%probability of exploitation in next 30 days
Very High Risk0.00%
Lower risk than most CVEs100th percentile — riskier than 100% of all scored CVEsHighest risk
52.7%68.5%84.2%100.0%85.1%98.7%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2023-28341 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 396,966 CVEs with a current EPSS score, this one falls in the ≥ 90% band (highlighted). Counts from FIRST.org, log-scaled.

Description

Stored Cross site scripting (XSS) vulnerability in Zoho ManageEngine Applications Manager through 16340 allows an unauthenticated user to inject malicious javascript on the incorrect login details page.

Affected Products

1 product · 7 configurations
Application
manageengine applications managerzohocorp
≥ 16.0 && < 16.3
2 versions
15.916.3

Detection & mitigation playbook

Vendor / appliance

  1. Detect

    Inventory every zohocorp manageengine applications manager deployment and check each version against the affected-products list above.

  2. Fix

    Apply the zohocorp manageengine applications manager security patch or hotfix for CVE-2023-28341 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

Stored Cross site scripting (XSS) vulnerability in Zoho ManageEngine Applications Manager through 16340 allows an unauthenticated user to inject malicious javascript on the incorrect login details page.
O3 Security · Runtime Protection

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CVE-2023-28341: XSS (Medium 6.1)