How severe is CVE-2020-18888?

CVE-2020-18888 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-18888 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-18888?

CVE-2020-18888 affects Puppycms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-18888?

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-2020-18888 published?

CVE-2020-18888 was published on 2021-05-06 and last updated on 2026-06-17.

CVE-2020-18888

CVE-2020-18888 is a high-severity vulnerability in Puppycms with a CVSS 3.x base score of 7.5. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Puppycms
Published: 2021-05-06
Last modified: 2026-06-17

Description

Arbitrary File Deletion vulnerability in puppyCMS v5.1 allows remote malicious attackers to delete the file/folder via /admin/functions.php.

Frequently asked questions

What is CVE-2020-18888?: Arbitrary File Deletion vulnerability in puppyCMS v5.1 allows remote malicious attackers to delete the file/folder via /admin/functions.php.
How severe is CVE-2020-18888?: CVE-2020-18888 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-18888 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-18888?: CVE-2020-18888 affects Puppycms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-18888?: 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-2020-18888 published?: CVE-2020-18888 was published on 2021-05-06 and last updated on 2026-06-17.

References

https://github.com/choregus/puppyCMS/issues/15

Affected products (1)

cpe:2.3:a:puppycms:puppycms:5.1:*:*:*:*:*:*:*

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