CVE-2020-18325: Multilple Cross Site Scripting (XSS) vulnerability exists in Intelliants Subrion CMS v4.2.1 in the Configurati

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MEDIUM 6.1DOWNGRADE

CVE-2020-18325 is a medium-severity flaw (CVSS 6.1) affecting subrion cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multilple Cross Site Scripting (XSS) vulnerability exists in Intelliants Subrion CMS v4.2.1 in the Configuration panel.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-03-04
Last modified	2026-07-09

Publisher (CNA): MITRE · Vendor: intelliants

Last updated 2026-07-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-03-04 15:15 UTCPublished CVE record published
2026-07-09 00:16 UTCUpdated Record last modified

intelliants subrion cms DOWNGRADE

Affected: 4.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.2.1

1. Check installed version

apt-cache policy subrion-cms || rpm -q subrion-cms || subrion-cms --version

2. No fixed release: DOWNGRADE to a release before 4.2.1 (Debian / Ubuntu)

apt-cache madison subrion-cms sudo apt install subrion-cms=<VERSION_BEFORE_4.2.1> sudo apt-mark hold subrion-cms

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list subrion-cms sudo dnf downgrade subrion-cms-<VERSION_BEFORE_4.2.1> sudo dnf versionlock add subrion-cms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2020-18325?

subrion cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-18325 being exploited?

CVE-2020-18325 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-2020-18325 affect?

CVE-2020-18325 affects subrion cms. Severity is medium (CVSS 6.1). Multilple Cross Site Scripting (XSS) vulnerability exists in Intelliants Subrion CMS v4.2.1 in the Configuration panel.

How urgent is CVE-2020-18325?

Priority 45/100. Public exploit reference

Related CVEs

CVE-2020-18326 HIGH 8.8 DOWNGRADE Cross Site Request Forgery (CSRF) vulnerability exists in Intelliants Subrion CMS v4.2.1 via the Members admin
CVE-2020-18324 MEDIUM 6.1 DOWNGRADE Cross Site Scripting (XSS) vulnerability exists in Subrion CMS 4.2.1 via the q parameter in the Kickstart temp
CVE-2025-70958 MEDIUM 6.1 DOWNGRADE Multiple reflected cross-site scripting (XSS) vulnerabilities in the installation module of Subrion CMS v4.2.1
CVE-2025-56556 LOW 3.8 DOWNGRADE An issue was discovered in Subrion CMS 4.2.1, allowing authenticated adminitrators or moderators with access t
CVE-2024-25399 MEDIUM 6.1 DOWNGRADE Subrion CMS 4.2.1 is vulnerable to Cross Site Scripting (XSS) via adminer.php.

References

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