CVE-2017-17103: Fiyo CMS 2.0.7 has SQL injection in /apps/app_user/sys_user.php via $_POST[name] or $_POST[email]

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HIGH 8.8DOWNGRADE

CVE-2017-17103 is a high-severity flaw (CVSS 8.8) affecting fiyo cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Fiyo CMS 2.0.7 has SQL injection in /apps/app_user/sys_user.php via $_POST[name] or $_POST[email]. This vulnerability can lead to escalation from normal user privileges to administrator privileges.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-12-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fiyo

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

Am I affected?

Timeline

2017-12-04 08:29 UTCPublished CVE record published
2026-06-17 01:10 UTCUpdated Record last modified

fiyo fiyo cms DOWNGRADE

Affected: 2.0.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.7 (Debian / Ubuntu)

apt-cache madison fiyo-cms sudo apt install fiyo-cms=<VERSION_BEFORE_2.0.7> sudo apt-mark hold fiyo-cms

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

dnf --showduplicates list fiyo-cms sudo dnf downgrade fiyo-cms-<VERSION_BEFORE_2.0.7> sudo dnf versionlock add fiyo-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-2017-17103?

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

Is CVE-2017-17103 being exploited?

CVE-2017-17103 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-2017-17103 affect?

CVE-2017-17103 affects fiyo cms. Severity is high (CVSS 8.8). Fiyo CMS 2.0.7 has SQL injection in /apps/app_user/sys_user.php via $_POST[name] or $_POST[email]. This vulnerability can lead to escalation from normal user privileges to administrator privileges.

How urgent is CVE-2017-17103?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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