CVE-2020-25399: Stored XSS in InterMind iMind Server through 3.13.65 allows any user to hijack another user's session by sendi

Q: How do I fix CVE-2020-25399?

imind server: upgrade to newer than 3.13.65. Exact commands for each OS are on this page.

Q: Is CVE-2020-25399 being exploited?

CVE-2020-25399 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-25399 affect?

CVE-2020-25399 affects imind server. Severity is high (CVSS 7.8). Stored XSS in InterMind iMind Server through 3.13.65 allows any user to hijack another user's session by sending a malicious file in the chat.

Q: How urgent is CVE-2020-25399?

Priority 48/100. High severity; Public exploit reference

This month

HIGH 7.8UPGRADE

CVE-2020-25399 is a high-severity flaw (CVSS 7.8) affecting imind server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stored XSS in InterMind iMind Server through 3.13.65 allows any user to hijack another user's session by sending a malicious file in the chat.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-11-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mind

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-11-05 16:15 UTCPublished CVE record published
2026-06-17 03:06 UTCUpdated Record last modified

mind imind server UPGRADE

Affected: <= 3.13.65

Fixed in: newer than 3.13.65

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy imind-server || rpm -q imind-server || imind-server --version

2. UPGRADE to newer than 3.13.65 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade imind-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade imind-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-25399?

imind server: upgrade to newer than 3.13.65. Exact commands for each OS are on this page.

Is CVE-2020-25399 being exploited?

CVE-2020-25399 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-25399 affect?

CVE-2020-25399 affects imind server. Severity is high (CVSS 7.8). Stored XSS in InterMind iMind Server through 3.13.65 allows any user to hijack another user's session by sending a malicious file in the chat.

How urgent is CVE-2020-25399?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2020-25398 HIGH 8.8 UPGRADE CSV Injection exists in InterMind iMind Server through 3.13.65 via the csv export functionality.
CVE-2020-24765 HIGH 7.5 UPGRADE InterMind iMind Server through 3.13.65 allows remote unauthenticated attackers to read the self-diagnostic arc

References

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