CVE-2025-50234: MCCMS v2.7.0 has an SSRF vulnerability located in the index() method of the sys\apps\controllers\api\Gf.php fi

This week

MEDIUM 6.5REMOTEDOWNGRADE

CVE-2025-50234 is a medium-severity flaw (CVSS 6.5) affecting mccms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MCCMS v2.7.0 has an SSRF vulnerability located in the index() method of the sys\apps\controllers\api\Gf.php file, where the pic parameter is processed. The pic parameter is decrypted using the sys_auth($pic, 1) function, which utilizes a hard-coded key Mc_Encryption_Key (bD2voYwPpNuJ7B8), defined in the db.php file. The decrypted URL is passed to the geturl() method, which uses cURL to make a request to the URL without proper security checks. An

Why this priority

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	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-918
Published	2025-08-06
Last modified	2026-10-19

Publisher (CNA): MITRE · Vendor: chshcms

Last updated 2026-10-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-06 15:15 UTCPublished CVE record published
2026-10-19 17:10 UTCUpdated Record last modified

chshcms mccms DOWNGRADE

Affected: 2.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.7 (Debian / Ubuntu)

apt-cache madison mccms sudo apt install mccms=<VERSION_BEFORE_2.7> sudo apt-mark hold mccms

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

dnf --showduplicates list mccms sudo dnf downgrade mccms-<VERSION_BEFORE_2.7> sudo dnf versionlock add mccms

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-2025-50234?

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

Is CVE-2025-50234 being exploited?

CVE-2025-50234 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-2025-50234 affect?

CVE-2025-50234 affects mccms. Severity is medium (CVSS 6.5). MCCMS v2.7.0 has an SSRF vulnerability located in the index() method of the sys\apps\controllers\api\Gf.php file, where the pic parameter is processed. The pic parameter is decrypted using the sys_auth($pic, 1) function, which utilizes a ha

How urgent is CVE-2025-50234?

Priority 38/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities · curl vulnerabilities

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CVE-2025-51651 MEDIUM 5.5 DOWNGRADE An authenticated arbitrary file download vulnerability in the component /admin/Backups.php of Mccms v2.7.0 all

References

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