CVE-2024-57548: CMSimple 5.16 allows the user to edit log.php file via print page.

This week

CRITICAL 9.1REMOTEDOWNGRADE

CVE-2024-57548 is a critical-severity flaw (CVSS 9.1) affecting cmsimple. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CMSimple 5.16 allows the user to edit log.php file via print page.

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	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-276
Published	2025-01-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cmsimple

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

Am I affected?

Timeline

2025-01-27 23:15 UTCPublished CVE record published
2026-06-17 08:13 UTCUpdated Record last modified

cmsimple cmsimple DOWNGRADE

Affected: 5.16

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.16

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.16 (Debian / Ubuntu)

apt-cache madison cmsimple sudo apt install cmsimple=<VERSION_BEFORE_5.16> sudo apt-mark hold cmsimple

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

dnf --showduplicates list cmsimple sudo dnf downgrade cmsimple-<VERSION_BEFORE_5.16> sudo dnf versionlock add cmsimple

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-2024-57548?

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

Is CVE-2024-57548 being exploited?

CVE-2024-57548 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-2024-57548 affect?

CVE-2024-57548 affects cmsimple. Severity is critical (CVSS 9.1). CMSimple 5.16 allows the user to edit log.php file via print page.

How urgent is CVE-2024-57548?

Priority 52/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-58280 HIGH 8.8 DOWNGRADE CMSimple 5.15 contains a remote command execution vulnerability that allows authenticated attackers to modify
CVE-2024-57549 HIGH 7.5 DOWNGRADE CMSimple 5.16 allows the user to read cms source code through manipulation of the file name in the file parame
CVE-2024-57547 HIGH 7.5 DOWNGRADE Insecure Permissions vulnerability in CMSimple v.5.16 allows a remote attacker to obtain sensitive information
CVE-2024-57546 HIGH 7.5 DOWNGRADE An issue in CMSimple v.5.16 allows a remote attacker to obtain sensitive information via a crafted script to t
CVE-2024-33424 MEDIUM 6.1 DOWNGRADE A cross-site scripting (XSS) vulnerability in the Settings menu of CMSimple v5.15 allows attackers to execute

References

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