CVE-2023-27700: MuYuCMS v2.2 was discovered to contain an arbitrary file deletion vulnerability via the component /accessory/p

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HIGH 8.1DOWNGRADE

CVE-2023-27700 is a high-severity flaw (CVSS 8.1) affecting muyucms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MuYuCMS v2.2 was discovered to contain an arbitrary file deletion vulnerability via the component /accessory/picdel.html.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-03-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: muyucms project

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

Am I affected?

Timeline

2023-03-28 01:15 UTCPublished CVE record published
2026-06-17 05:45 UTCUpdated Record last modified

muyucms project muyucms DOWNGRADE

Affected: 2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.2 (Debian / Ubuntu)

apt-cache madison muyucms sudo apt install muyucms=<VERSION_BEFORE_2.2> sudo apt-mark hold muyucms

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

dnf --showduplicates list muyucms sudo dnf downgrade muyucms-<VERSION_BEFORE_2.2> sudo dnf versionlock add muyucms

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-2023-27700?

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

Is CVE-2023-27700 being exploited?

CVE-2023-27700 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-2023-27700 affect?

CVE-2023-27700 affects muyucms. Severity is high (CVSS 8.1). MuYuCMS v2.2 was discovered to contain an arbitrary file deletion vulnerability via the component /accessory/picdel.html.

How urgent is CVE-2023-27700?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2025-10993 MEDIUM 4.7 UPGRADE A security flaw has been discovered in MuYuCMS up to 2.7
CVE-2025-15589 LOW 3.8 DOWNGRADE A vulnerability was determined in MuYuCMS 2.7
CVE-2023-27701 HIGH 8.1 DOWNGRADE MuYuCMS v2.2 was discovered to contain an arbitrary file deletion vulnerability via the component /database/sq
CVE-2023-1046 MEDIUM 6.3 DOWNGRADE A vulnerability classified as critical has been found in MuYuCMS 2.2
CVE-2023-1045 LOW 3.8 DOWNGRADE A vulnerability was found in MuYuCMS 2.2

References

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