CVE-2018-17796: An issue was discovered in MRCMS (aka mushroom) through 3.1.2

Q: How do I fix CVE-2018-17796?

mushroom content management system: upgrade to newer than 3.1.2. Exact commands for each OS are on this page.

Q: Is CVE-2018-17796 being exploited?

CVE-2018-17796 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-2018-17796 affect?

CVE-2018-17796 affects mushroom content management system. Severity is critical (CVSS 9.8). An issue was discovered in MRCMS (aka mushroom) through 3.1.2. The WebParam.java file directly accepts the FIELD_T parameter in a request and uses it as a hash of SQL statements without filtering, resulting in a SQL injection vulnerability

Q: How urgent is CVE-2018-17796?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-17796 is a critical-severity flaw (CVSS 9.8) affecting mushroom content management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in MRCMS (aka mushroom) through 3.1.2. The WebParam.java file directly accepts the FIELD_T parameter in a request and uses it as a hash of SQL statements without filtering, resulting in a SQL injection vulnerability in getChannel() in the ChannelService.java file.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Weakness	CWE-89
Published	2018-09-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mushroom content management system project

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

Am I affected?

Timeline

2018-09-30 20:29 UTCPublished CVE record published
2026-06-17 01:46 UTCUpdated Record last modified

mushroom content management system project mushroom content management system UPGRADE

Affected: <= 3.1.2

Fixed in: newer than 3.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mushroom-content-management-system || rpm -q mushroom-content-management-system || mushroom-content-management-system --version

2. UPGRADE to newer than 3.1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mushroom-content-management-system

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mushroom-content-management-system

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-2018-17796?

mushroom content management system: upgrade to newer than 3.1.2. Exact commands for each OS are on this page.

Is CVE-2018-17796 being exploited?

CVE-2018-17796 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-2018-17796 affect?

CVE-2018-17796 affects mushroom content management system. Severity is critical (CVSS 9.8). An issue was discovered in MRCMS (aka mushroom) through 3.1.2. The WebParam.java file directly accepts the FIELD_T parameter in a request and uses it as a hash of SQL statements without filtering, resulting in a SQL injection vulnerability

How urgent is CVE-2018-17796?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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