CVE-2017-1000488: Mautic version 2.1.0 - 2.11.0 is vulnerable to an inline JS XSS attack when using Mautic forms on a Mautic lan

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MEDIUM 6.1DOWNGRADEDOWNGRADE

CVE-2017-1000488 is a medium-severity flaw (CVSS 6.1) affecting mautic, mautic. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mautic version 2.1.0 - 2.11.0 is vulnerable to an inline JS XSS attack when using Mautic forms on a Mautic landing page using GET parameters to pre-populate the form.

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	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-01-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: acquia · mautic

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

Am I affected?

Timeline

2018-01-03 16:29 UTCPublished CVE record published
2026-06-17 00:59 UTCUpdated Record last modified

acquia mautic DOWNGRADE

Affected: 2.1.0 · 2.1.1 · 2.2.0 · 2.2.1 · 2.3.0 · 2.4.0 · 2.5.0 · 2.5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.0

1. Check installed version

apt-cache policy mautic || rpm -q mautic || mautic --version

2. No fixed release: DOWNGRADE to a release before 2.1.0 (Debian / Ubuntu)

apt-cache madison mautic sudo apt install mautic=<VERSION_BEFORE_2.1.0> sudo apt-mark hold mautic

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

dnf --showduplicates list mautic sudo dnf downgrade mautic-<VERSION_BEFORE_2.1.0> sudo dnf versionlock add mautic

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.

mautic mautic DOWNGRADE

Affected: 2.9.0 · 2.9.2 · 2.10.0 · 2.11.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.9.0

1. Check installed version

apt-cache policy mautic || rpm -q mautic || mautic --version

2. No fixed release: DOWNGRADE to a release before 2.9.0 (Debian / Ubuntu)

apt-cache madison mautic sudo apt install mautic=<VERSION_BEFORE_2.9.0> sudo apt-mark hold mautic

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

dnf --showduplicates list mautic sudo dnf downgrade mautic-<VERSION_BEFORE_2.9.0> sudo dnf versionlock add mautic

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-2017-1000488?

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

Is CVE-2017-1000488 being exploited?

CVE-2017-1000488 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-2017-1000488 affect?

CVE-2017-1000488 affects mautic, mautic. Severity is medium (CVSS 6.1). Mautic version 2.1.0 - 2.11.0 is vulnerable to an inline JS XSS attack when using Mautic forms on a Mautic landing page using GET parameters to pre-populate the form.

How urgent is CVE-2017-1000488?

Priority 41/100. Public exploit reference

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References

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