CVE-2018-11535: An issue was discovered in SITEMAKIN SLAC (Site Login and Access Control) v1.0

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2018-11535 is a critical-severity flaw (CVSS 9.8) affecting slac. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in SITEMAKIN SLAC (Site Login and Access Control) v1.0. The parameter "my_item_search" in users.php is exploitable using SQL injection.

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	3.1% (top 12%)
CISA exploited list	No
Weakness	CWE-89
Published	2018-05-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sitemakin

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

Am I affected?

Timeline

2018-05-29 07:29 UTCPublished CVE record published
2026-06-17 01:36 UTCUpdated Record last modified

sitemakin slac 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 slac || rpm -q slac || slac --version

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

apt-cache madison slac sudo apt install slac=<VERSION_BEFORE_1.0> sudo apt-mark hold slac

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

dnf --showduplicates list slac sudo dnf downgrade slac-<VERSION_BEFORE_1.0> sudo dnf versionlock add slac

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: Sitemakin SLAC 1.0 - 'my_item_search' 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-2018-11535?

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

Is CVE-2018-11535 being exploited?

CVE-2018-11535 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-2018-11535 affect?

CVE-2018-11535 affects slac. Severity is critical (CVSS 9.8). An issue was discovered in SITEMAKIN SLAC (Site Login and Access Control) v1.0. The parameter "my_item_search" in users.php is exploitable using SQL injection.

How urgent is CVE-2018-11535?

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

Software pages

PHP vulnerabilities

References

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