CVE-2017-17111: Posty Readymade Classifieds Script 1.0 allows an attacker to inject SQL commands via a listings.php?catid= or

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-17111 is a critical-severity flaw (CVSS 9.8) affecting posty readymade classifieds. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Posty Readymade Classifieds Script 1.0 allows an attacker to inject SQL commands via a listings.php?catid= or ads-details.php?ID= request.

Why this priority

Critical severity
EPSS top 5%: very likely to be exploited
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	8.8% (top 5%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-12-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: scubez

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

Am I affected?

Timeline

2017-12-11 17:29 UTCPublished CVE record published
2026-06-17 01:10 UTCUpdated Record last modified

scubez posty readymade classifieds DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy posty-readymade-classifieds || rpm -q posty-readymade-classifieds || posty-readymade-classifieds --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison posty-readymade-classifieds sudo apt install posty-readymade-classifieds=<VERSION_BEFORE_1.0> sudo apt-mark hold posty-readymade-classifieds

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

dnf --showduplicates list posty-readymade-classifieds sudo dnf downgrade posty-readymade-classifieds-<VERSION_BEFORE_1.0> sudo dnf versionlock add posty-readymade-classifieds

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: Readymade Classifieds Script 1.0 - 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-2017-17111?

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

Is CVE-2017-17111 being exploited?

CVE-2017-17111 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-2017-17111 affect?

CVE-2017-17111 affects posty readymade classifieds. Severity is critical (CVSS 9.8). Posty Readymade Classifieds Script 1.0 allows an attacker to inject SQL commands via a listings.php?catid= or ads-details.php?ID= request.

How urgent is CVE-2017-17111?

Priority 68/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2017-17569 MEDIUM 6.1 MITIGATE Scubez Posty Readymade Classifieds has XSS via the admin/user_activate_submit.php ID parameter.
CVE-2017-17568 HIGH 7.5 MITIGATE Scubez Posty Readymade Classifieds has Incorrect Access Control for visiting admin/user_activate_submit.php (a
CVE-2017-17567 HIGH 7.5 MITIGATE Scubez Posty Readymade Classifieds has SQL Injection via the admin/user_activate_submit.php ID parameter.

References

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