CVE-2022-36678: Simple Task Scheduling System v1.0 was discovered to contain a SQL injection vulnerability via the id paramete

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-36678 is a critical-severity flaw (CVSS 9.8) affecting simple task scheduling system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Simple Task Scheduling System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /classes/Master.php?f=delete_category.

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	1.1% (top 36%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-08-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: simple task scheduling system project

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

Am I affected?

Timeline

2022-08-26 13:15 UTCPublished CVE record published
2026-06-17 04:53 UTCUpdated Record last modified

simple task scheduling system project simple task scheduling system 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 simple-task-scheduling-system || rpm -q simple-task-scheduling-system || simple-task-scheduling-system --version

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

apt-cache madison simple-task-scheduling-system sudo apt install simple-task-scheduling-system=<VERSION_BEFORE_1.0> sudo apt-mark hold simple-task-scheduling-system

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

dnf --showduplicates list simple-task-scheduling-system sudo dnf downgrade simple-task-scheduling-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add simple-task-scheduling-system

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-2022-36678?

simple task scheduling system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-36678 being exploited?

CVE-2022-36678 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-2022-36678 affect?

CVE-2022-36678 affects simple task scheduling system. Severity is critical (CVSS 9.8). Simple Task Scheduling System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /classes/Master.php?f=delete_category.

How urgent is CVE-2022-36678?

Priority 60/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-36683 CRITICAL 9.8 DOWNGRADE Simple Task Scheduling System v1.0 was discovered to contain a SQL injection vulnerability via the id paramete
CVE-2022-36682 CRITICAL 9.8 DOWNGRADE Simple Task Scheduling System v1.0 was discovered to contain a SQL injection vulnerability via the id paramete
CVE-2022-36681 CRITICAL 9.8 DOWNGRADE Simple Task Scheduling System v1.0 was discovered to contain a SQL injection vulnerability via the id paramete
CVE-2022-36680 CRITICAL 9.8 DOWNGRADE Simple Task Scheduling System v1.0 was discovered to contain a SQL injection vulnerability via the id paramete
CVE-2022-36679 CRITICAL 9.8 DOWNGRADE Simple Task Scheduling System v1.0 was discovered to contain a SQL injection vulnerability via the id paramete

References

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