CVE-2024-32345: A cross-site scripting (XSS) vulnerability in the Settings menu of CMSimple v5.15 allows attackers to execute

This week

HIGH 7.2REMOTEDOWNGRADE

CVE-2024-32345 is a high-severity flaw (CVSS 7.2) affecting cmsimple. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A cross-site scripting (XSS) vulnerability in the Settings menu of CMSimple v5.15 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Configuration parameter under the Language section.

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	7.2 (High)
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-79
Published	2024-04-17
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

2024-04-17 21:15 UTCPublished CVE record published
2026-06-17 07:29 UTCUpdated Record last modified

cmsimple cmsimple DOWNGRADE

Affected: 5.15

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.15

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.15 (Debian / Ubuntu)

apt-cache madison cmsimple sudo apt install cmsimple=<VERSION_BEFORE_5.15> sudo apt-mark hold cmsimple

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

dnf --showduplicates list cmsimple sudo dnf downgrade cmsimple-<VERSION_BEFORE_5.15> 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-2024-32345?

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

Is CVE-2024-32345 being exploited?

CVE-2024-32345 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-2024-32345 affect?

CVE-2024-32345 affects cmsimple. Severity is high (CVSS 7.2). A cross-site scripting (XSS) vulnerability in the Settings menu of CMSimple v5.15 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Configuration parameter under the Language section.

How urgent is CVE-2024-32345?

Priority 45/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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