CVE-2022-27047: mogu_blog_cms 5.2 suffers from upload arbitrary files without any limitation.

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-27047 is a critical-severity flaw (CVSS 9.8) affecting mogu blog cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

mogu_blog_cms 5.2 suffers from upload arbitrary files without any limitation.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-434
Published	2022-04-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: moguit

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

Am I affected?

Timeline

2022-04-08 16:15 UTCPublished CVE record published
2026-06-17 04:36 UTCUpdated Record last modified

moguit mogu blog cms DOWNGRADE

Affected: 5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.2

1. Check installed version

apt-cache policy mogu-blog-cms || rpm -q mogu-blog-cms || mogu-blog-cms --version

2. No fixed release: DOWNGRADE to a release before 5.2 (Debian / Ubuntu)

apt-cache madison mogu-blog-cms sudo apt install mogu-blog-cms=<VERSION_BEFORE_5.2> sudo apt-mark hold mogu-blog-cms

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

dnf --showduplicates list mogu-blog-cms sudo dnf downgrade mogu-blog-cms-<VERSION_BEFORE_5.2> sudo dnf versionlock add mogu-blog-cms

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-2022-27047?

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

Is CVE-2022-27047 being exploited?

CVE-2022-27047 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-2022-27047 affect?

CVE-2022-27047 affects mogu blog cms. Severity is critical (CVSS 9.8). mogu_blog_cms 5.2 suffers from upload arbitrary files without any limitation.

How urgent is CVE-2022-27047?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

References

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