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CVE-2025-5366VulnerabilityPublished

CVE-2025-5366: ManageEngine Exchange Reporter Plus · XSS or 'Cross-site Scripting'

Affects ManageEngine Exchange Reporter PlusSource CVE Database V5

0

Not known to be exploited · CVSS 8.1 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.3% chance of exploitation in 30 days – higher than 70% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Jun 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
ManageEngine Exchange Reporter PlusAffected
  • =0
Fixed in–

AI-suggested

Organizations should immediately audit their ManageEngine Exchange Reporter Plus installations to identify affected versions (5722 and below). Until an official patch is released, administrators should implement strict input validation and output encoding on the affected report generation components, if possible, via custom scripting or web application firewalls (WAF) that can detect and block malicious payloads. Restrict access to the Exchange Reporter Plus web interface to trusted IP ranges and enforce multi-factor authentication (MFA) to reduce the risk of exploitation. Security teams should increase monitoring for unusual activities in the reporting tool and conduct user awareness training focused on recognizing phishing attempts that could trigger the XSS payload. Additionally, consider isolating the reporting tool in a segmented network zone to limit lateral movement in case of compromise. Regularly check for vendor updates and apply patches promptly once available.

Description

Zohocorp ManageEngine Exchange reporter Plus version 5722 and below are vulnerable to Stored XSS in the Folder-wise read mails with subject report.

References

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