CVE-2017-17623: Opensource Classified Ads Script 3.2 has SQL Injection via the advance_result.php keyword parameter.

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-17623 is a critical-severity flaw (CVSS 9.8) affecting opensource classified ads script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Opensource Classified Ads Script 3.2 has SQL Injection via the advance_result.php keyword 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	3.0% (top 12%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-12-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: opensource classified ads 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

opensource classified ads script project opensource classified ads script DOWNGRADE

Affected: 3.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2

1. Check installed version

apt-cache policy opensource-classified-ads-script || rpm -q opensource-classified-ads-script || opensource-classified-ads-script --version

2. No fixed release: DOWNGRADE to a release before 3.2 (Debian / Ubuntu)

apt-cache madison opensource-classified-ads-script sudo apt install opensource-classified-ads-script=<VERSION_BEFORE_3.2> sudo apt-mark hold opensource-classified-ads-script

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

dnf --showduplicates list opensource-classified-ads-script sudo dnf downgrade opensource-classified-ads-script-<VERSION_BEFORE_3.2> sudo dnf versionlock add opensource-classified-ads-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: Opensource Classified Ads Script 3.2 - 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-2017-17623?

opensource classified ads script: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-17623 being exploited?

CVE-2017-17623 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-2017-17623 affect?

CVE-2017-17623 affects opensource classified ads script. Severity is critical (CVSS 9.8). Opensource Classified Ads Script 3.2 has SQL Injection via the advance_result.php keyword parameter.

How urgent is CVE-2017-17623?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2019-7435 MEDIUM 5.3 DOWNGRADE PHP Scripts Mall Opensource Classified Ads Script 3.2.2 has reflected HTML injection via the Search Form.

References

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