How severe is CVE-2023-27700?

CVE-2023-27700 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2023-27700 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27700?

CVE-2023-27700 affects Muyucms Project Muyucms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27700?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-27700 published?

CVE-2023-27700 was published on 2023-03-28 and last updated on 2026-06-17.

CVE-2023-27700

CVE-2023-27700 is a high-severity vulnerability in Muyucms Project Muyucms with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Muyucms Project Muyucms
Published: 2023-03-28
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-27700?: MuYuCMS v2.2 was discovered to contain an arbitrary file deletion vulnerability via the component /accessory/picdel.html.
How severe is CVE-2023-27700?: CVE-2023-27700 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2023-27700 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27700?: CVE-2023-27700 affects Muyucms Project Muyucms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27700?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-27700 published?: CVE-2023-27700 was published on 2023-03-28 and last updated on 2026-06-17.

References

https://github.com/MuYuCMS/MuYuCMS/issues/8

Affected products (1)

cpe:2.3:a:muyucms_project:muyucms:2.2:*:*:*:*:*:*:*

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