CVE-2023-53975: Atom CMS 2.0 contains an unauthenticated SQL injection vulnerability that allows remote attackers to manipulat

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HIGH 7.5REMOTEDOWNGRADE

CVE-2023-53975 is a high-severity flaw (CVSS 7.5) affecting atomcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Atom CMS 2.0 contains an unauthenticated SQL injection vulnerability that allows remote attackers to manipulate database queries through unvalidated parameters. Attackers can inject malicious SQL code in the 'id' parameter of the admin index page to execute time-based blind SQL injection attacks.

Why this priority

High 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	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-89
Published	2025-12-22
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: thedigitalcraft

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

Am I affected?

Timeline

2025-12-22 22:16 UTCPublished CVE record published
2026-06-17 06:46 UTCUpdated Record last modified

thedigitalcraft atomcms DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy atomcms || rpm -q atomcms || atomcms --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison atomcms sudo apt install atomcms=<VERSION_BEFORE_2.0> sudo apt-mark hold atomcms

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

dnf --showduplicates list atomcms sudo dnf downgrade atomcms-<VERSION_BEFORE_2.0> sudo dnf versionlock add atomcms

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-2023-53975?

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

Is CVE-2023-53975 being exploited?

CVE-2023-53975 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-2023-53975 affect?

CVE-2023-53975 affects atomcms. Severity is high (CVSS 7.5). Atom CMS 2.0 contains an unauthenticated SQL injection vulnerability that allows remote attackers to manipulate database queries through unvalidated parameters. Attackers can inject malicious SQL code in the 'id' parameter of the admin inde

How urgent is CVE-2023-53975?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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