CVE-2018-9283: An XSS issue was discovered in CremeCRM 1.6.12

Routine

MEDIUM 5.4DOWNGRADE

CVE-2018-9283 is a medium-severity flaw (CVSS 5.4) affecting cremecrm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An XSS issue was discovered in CremeCRM 1.6.12. It is affected by 10 stored Cross-Site Scripting (XSS) vulnerabilities in the firstname, lastname, billing_address-address, billing_address-zipcode, billing_address-city, billing_address-department, shipping_address-address, shipping_address-zipcode, shipping_address-city, and shipping_address-department parameters in the contact creation and modification page. The payload is stored within the appli

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-09-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cremecrm

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

Am I affected?

Timeline

2018-09-07 22:29 UTCPublished CVE record published
2026-06-17 02:06 UTCUpdated Record last modified

cremecrm cremecrm DOWNGRADE

Affected: 1.6.12

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.12

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.6.12 (Debian / Ubuntu)

apt-cache madison cremecrm sudo apt install cremecrm=<VERSION_BEFORE_1.6.12> sudo apt-mark hold cremecrm

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

dnf --showduplicates list cremecrm sudo dnf downgrade cremecrm-<VERSION_BEFORE_1.6.12> sudo dnf versionlock add cremecrm

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-2018-9283?

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

Is CVE-2018-9283 being exploited?

CVE-2018-9283 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-2018-9283 affect?

CVE-2018-9283 affects cremecrm. Severity is medium (CVSS 5.4). An XSS issue was discovered in CremeCRM 1.6.12. It is affected by 10 stored Cross-Site Scripting (XSS) vulnerabilities in the firstname, lastname, billing_address-address, billing_address-zipcode, billing_address-city, billing_address-depar

How urgent is CVE-2018-9283?

Priority 38/100. Public exploit reference

Related CVEs

CVE-2018-14398 MEDIUM 6.1 DOWNGRADE An issue was discovered in Creme CRM 1.6.12
CVE-2018-14397 MEDIUM 5.4 DOWNGRADE An issue was discovered in Creme CRM 1.6.12
CVE-2018-14396 MEDIUM 5.4 DOWNGRADE An issue was discovered in Creme CRM 1.6.12

References

← Back to latest CVEs