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8 CVEs HIGH CVSS 5.4

ManageEngine Exchange Reporter Plus Stored XSS

2026-04-03

CVE-2026-4107 MEDIUM PATCH

Stored cross-site scripting in ManageEngine Exchange Reporter Plus before version 5802 allows authenticated attackers to inject malicious scripts via the Folder Message Count and Size report. With CVSS 7.3 (High severity) and requiring low-privilege authentication with user interaction, successful exploitation enables session hijacking and credential theft within the administrative interface. No public exploit identified at time of analysis, though CVSS vector indicates network-accessible attack surface with low complexity.

5.4
CVSS
0.0%
EPSS
CVE-2026-4108 MEDIUM PATCH

Stored cross-site scripting (XSS) in Zohocorp ManageEngine Exchange Reporter Plus versions prior to 5802 allows authenticated attackers to inject malicious scripts through the Non-Owner Mailbox Permission report, potentially compromising confidentiality and integrity of user sessions. With CVSS 7.3 (High) and EPSS data unavailable, exploitation requires low attack complexity and authenticated access with user interaction. No public exploit identified at time of analysis, and vendor has released patched version 5802.

4.8
CVSS
0.0%
EPSS
CVE-2026-28754 MEDIUM PATCH

Stored cross-site scripting (XSS) in ManageEngine Exchange Reporter Plus versions prior to 5802 allows authenticated attackers with low privileges to inject malicious scripts into Distribution Lists reports that execute when viewed by other users, potentially compromising session tokens and account credentials of administrators or other privileged users. The vulnerability requires user interaction (victim must view the malicious report) but enables high-impact attacks against confidentiality and integrity within the application scope. No public exploit code or active exploitation has been identified at time of analysis.

4.8
CVSS
0.0%
EPSS
CVE-2026-28756 MEDIUM PATCH

Stored cross-site scripting (XSS) in ManageEngine Exchange Reporter Plus before version 5802 allows authenticated attackers with low privileges to inject malicious scripts into the Permissions based on Distribution Groups report, potentially leading to session hijacking and account compromise of administrators viewing the report. No active exploitation confirmed (CISA KEV absent), but the network-accessible attack vector and low complexity make this exploitable with publicly documented vendor advisory details.

4.8
CVSS
0.0%
EPSS
CVE-2026-28703 MEDIUM PATCH

Stored cross-site scripting (XSS) in ManageEngine Exchange Reporter Plus before version 5802 allows authenticated attackers to inject malicious scripts into the 'Mails Exchanged Between Users' report. With CVSS 7.3 (High severity) and low attack complexity (AC:L), this vulnerability requires low-privilege authentication (PR:L) and user interaction (UI:R) to achieve high confidentiality and integrity impact. No public exploit identified at time of analysis, though authentication requirements lower the barrier for insider threats or compromised accounts.

4.8
CVSS
0.0%
EPSS
CVE-2026-3879 MEDIUM PATCH

Stored cross-site scripting in ManageEngine Exchange Reporter Plus (versions prior to 5802) allows authenticated attackers with low privileges to inject malicious scripts into Equipment Mailbox Details reports, enabling session hijacking and credential theft against administrative users who view the poisoned reports. No active exploitation confirmed (not in CISA KEV), but the vulnerability affects organizations monitoring Microsoft Exchange environments through ManageEngine's reporting platform.

4.8
CVSS
0.0%
EPSS
CVE-2026-3880 MEDIUM PATCH

Stored cross-site scripting in ManageEngine Exchange Reporter Plus (versions prior to 5802) allows authenticated attackers to inject malicious scripts through the Public Folder Client Permissions report, enabling session hijacking and credential theft with medium exploitation complexity. No active exploitation confirmed (not present in CISA KEV), though the network-accessible attack vector and stored nature of the XSS elevate real-world risk for organizations using this Exchange monitoring solution.

4.8
CVSS
0.0%
EPSS
CVE-2026-27655 MEDIUM PATCH

Stored cross-site scripting in Zohocorp ManageEngine Exchange Reporter Plus (pre-5802) allows authenticated attackers to inject malicious scripts via the Permissions Based on Mailboxes report, potentially compromising administrator sessions and stealing high-privilege credentials. Attack requires low complexity and user interaction from a victim administrator. CVSS 7.3 (High) reflects significant confidentiality and integrity impact. No public exploit identified at time of analysis, with EPSS data unavailable for this recently disclosed vulnerability.

4.8
CVSS
0.0%
EPSS

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