CVE-2025-28091: maccms10 v2025.1000.4047 has a Server-Side Request Forgery (SSRF) vulnerability via Add Article.

This week

CRITICAL 9.1REMOTEDOWNGRADE

CVE-2025-28091 is a critical-severity flaw (CVSS 9.1) affecting maccms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

maccms10 v2025.1000.4047 has a Server-Side Request Forgery (SSRF) vulnerability via Add Article.

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 61%)
CISA exploited list	No
Weakness	CWE-918
Published	2025-03-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: maccms

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

Am I affected?

Timeline

2025-03-28 22:15 UTCPublished CVE record published
2026-06-17 09:04 UTCUpdated Record last modified

maccms maccms DOWNGRADE

Affected: 10.0 2025.1000.4047

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 10.0 (Debian / Ubuntu)

apt-cache madison maccms sudo apt install maccms=<VERSION_BEFORE_10.0> sudo apt-mark hold maccms

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

dnf --showduplicates list maccms sudo dnf downgrade maccms-<VERSION_BEFORE_10.0> sudo dnf versionlock add maccms

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-2025-28091?

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

Is CVE-2025-28091 being exploited?

CVE-2025-28091 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-2025-28091 affect?

CVE-2025-28091 affects maccms. Severity is critical (CVSS 9.1). maccms10 v2025.1000.4047 has a Server-Side Request Forgery (SSRF) vulnerability via Add Article.

How urgent is CVE-2025-28091?

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

Related CVEs

CVE-2025-10122 MEDIUM 4.7 DOWNGRADE A vulnerability was found in Maccms10 2025.1000.4050
CVE-2025-45475 MEDIUM 5.4 DOWNGRADE maccms10 v2025.1000.4047 is vulnerable to Server-Side request forgery (SSRF) in Friend Link Management.
CVE-2025-45474 HIGH 7.3 DOWNGRADE maccms10 v2025.1000.4047 is vulnerable to Server-side request forgery (SSRF) in Email Settings.
CVE-2025-28090 CRITICAL 9.1 DOWNGRADE maccms10 v2025.1000.4047 is vulnerable to Server-Side Request Forgery (SSRF) in the Collection Custom Interfac
CVE-2025-28089 CRITICAL 9.1 DOWNGRADE maccms10 v2025.1000.4047 is vulnerable to Server-Side Request Forgery (SSRF) via the Scheduled Task function.

References

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