CVE-2025-4247: A vulnerability, which was classified as critical, was found in SourceCodester Simple To-Do List System 1.0

Routine

MEDIUM 6.3DOWNGRADE

CVE-2025-4247 is a medium-severity flaw (CVSS 6.3) affecting simple to-do list system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as critical, was found in SourceCodester Simple To-Do List System 1.0. Affected is an unknown function of the file /delete_task.php. The manipulation of the argument ID leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-74, CWE-89
Published	2025-05-04
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: chuck24

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

Am I affected?

Timeline

2025-05-04 05:15 UTCPublished CVE record published
2026-06-17 09:32 UTCUpdated Record last modified

chuck24 simple to-do list 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-to-do-list-system || rpm -q simple-to-do-list-system || simple-to-do-list-system --version

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

apt-cache madison simple-to-do-list-system sudo apt install simple-to-do-list-system=<VERSION_BEFORE_1.0> sudo apt-mark hold simple-to-do-list-system

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

dnf --showduplicates list simple-to-do-list-system sudo dnf downgrade simple-to-do-list-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add simple-to-do-list-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-2025-4247?

simple to-do list system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-4247 being exploited?

CVE-2025-4247 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-2025-4247 affect?

CVE-2025-4247 affects simple to-do list system. Severity is medium (CVSS 6.3). A vulnerability, which was classified as critical, was found in SourceCodester Simple To-Do List System 1.0. Affected is an unknown function of the file /delete_task.php. The manipulation of the argument ID leads to sql injection. It is pos

How urgent is CVE-2025-4247?

Priority 38/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-10117 LOW 3.5 DOWNGRADE A weakness has been identified in SourceCodester Simple To-Do List System 1.0
CVE-2025-63709 MEDIUM 5.4 DOWNGRADE A Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Simple To-Do List System 1.0 in the "Add T
CVE-2025-4248 MEDIUM 6.3 DOWNGRADE A vulnerability has been found in SourceCodester Simple To-Do List System 1.0 and classified as critical

References

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