Cyber Resilience

CVE-2025-5966

High

Published: 26 June 2025

Published
26 June 2025
Modified
29 September 2025
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS Score 0.1340 94.4th percentile
Risk Priority 24 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-5966 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Zohocorp Manageengine Exchange Reporter Plus. Its CVSS base score is 8.1 (High).

Operationally, ranked in the top 5.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

Zohocorp ManageEngine Exchange Reporter Plus versions 5722 and below contain a stored cross-site scripting vulnerability, tracked as CVE-2025-5966 and assigned CWE-79. The flaw resides in the Attachments by filename keyword report and carries a CVSS 3.1 score of 8.1, reflecting network attack vector, low complexity, and no required privileges.

An unauthenticated attacker can supply a crafted filename that is stored in the report; when a user later views the report the malicious script executes in the victim's browser. Successful exploitation can result in high-impact disclosure or modification of data accessible to that user.

The vendor has published an advisory at https://www.manageengine.com/products/exchange-reports/advisory/CVE-2025-5966.html that addresses the issue. The associated EPSS score has remained flat at 0.1340 with no material increase observed since disclosure.

EU & UK References

Vulnerability details

Zohocorp ManageEngine Exchange reporter Plus version 5722 and below are vulnerable to Stored XSS in the Attachments by filename keyword report.

CWE(s)

Related Threats

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

Affected Assets

zohocorp
manageengine exchange reporter plus
5.7 · ≤ 5.7

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.

addresses: CWE-79

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

addresses: CWE-79

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

addresses: CWE-79

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

References