CVE-2024-46331: ModStartCMS v8.8.0 was discovered to contain an open redirect vulnerability in the redirect parameter at /admi

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HIGH 7.2DOWNGRADE

CVE-2024-46331 is a high-severity flaw (CVSS 7.2) affecting mostartcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ModStartCMS v8.8.0 was discovered to contain an open redirect vulnerability in the redirect parameter at /admin/login. This vulnerability allows attackers to redirect users to an arbitrary website via a crafted URL.

Why this priority

High severity
Public exploit reference

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	High
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-601
Published	2024-09-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: modstart

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

Am I affected?

Timeline

2024-09-27 15:15 UTCPublished CVE record published
2026-06-17 07:55 UTCUpdated Record last modified

modstart mostartcms DOWNGRADE

Affected: 8.8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.8.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.8.0 (Debian / Ubuntu)

apt-cache madison mostartcms sudo apt install mostartcms=<VERSION_BEFORE_8.8.0> sudo apt-mark hold mostartcms

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

dnf --showduplicates list mostartcms sudo dnf downgrade mostartcms-<VERSION_BEFORE_8.8.0> sudo dnf versionlock add mostartcms

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-2024-46331?

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

Is CVE-2024-46331 being exploited?

CVE-2024-46331 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-2024-46331 affect?

CVE-2024-46331 affects mostartcms. Severity is high (CVSS 7.2). ModStartCMS v8.8.0 was discovered to contain an open redirect vulnerability in the redirect parameter at /admin/login. This vulnerability allows attackers to redirect users to an arbitrary website via a crafted URL.

How urgent is CVE-2024-46331?

Priority 42/100. High severity; Public exploit reference

References

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