CVE-2017-17637: Car Rental Script 2.0.4 has SQL Injection via the countrycode1.php val parameter.

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-17637 is a critical-severity flaw (CVSS 9.8) affecting car rental script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Car Rental Script 2.0.4 has SQL Injection via the countrycode1.php val parameter.

Why this priority

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

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.2% (top 17%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-12-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: car rental script project

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

Am I affected?

Timeline

2017-12-13 09:29 UTCPublished CVE record published
2026-06-17 01:11 UTCUpdated Record last modified

car rental script project car rental script DOWNGRADE

Affected: 2.0.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.4

1. Check installed version

apt-cache policy car-rental-script || rpm -q car-rental-script || car-rental-script --version

2. No fixed release: DOWNGRADE to a release before 2.0.4 (Debian / Ubuntu)

apt-cache madison car-rental-script sudo apt install car-rental-script=<VERSION_BEFORE_2.0.4> sudo apt-mark hold car-rental-script

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

dnf --showduplicates list car-rental-script sudo dnf downgrade car-rental-script-<VERSION_BEFORE_2.0.4> sudo dnf versionlock add car-rental-script

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Car Rental Script 2.0.4 - 'val' SQL Injection

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-2017-17637?

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

Is CVE-2017-17637 being exploited?

CVE-2017-17637 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-2017-17637 affect?

CVE-2017-17637 affects car rental script. Severity is critical (CVSS 9.8). Car Rental Script 2.0.4 has SQL Injection via the countrycode1.php val parameter.

How urgent is CVE-2017-17637?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-48837 MEDIUM 5.4 DOWNGRADE Car Rental Script 3.0 is vulnerable to Multiple HTML Injection issues via SMS API Key or Default Country Code.
CVE-2023-48836 MEDIUM 5.4 DOWNGRADE Car Rental Script 3.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) issues via the name, plugin_
CVE-2023-48835 HIGH 8.8 DOWNGRADE Car Rental Script v3.0 is vulnerable to CSV Injection via a Language > Labels > Export action.
CVE-2023-48834 HIGH 7.5 DOWNGRADE A lack of rate limiting in pjActionAjaxSend in Car Rental v3.0 allows attackers to cause resource exhaustion.
CVE-2023-40764 CRITICAL 9.8 DOWNGRADE User enumeration is found in PHP Jabbers Car Rental Script v3.0

References

← Back to latest CVEs