How severe is CVE-2018-13056?

CVE-2018-13056 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-2018-13056 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13056?

CVE-2018-13056 affects Zzcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-13056?

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-2018-13056 published?

CVE-2018-13056 was published on 2018-07-02 and last updated on 2026-06-17.

CVE-2018-13056

CVE-2018-13056 is a high-severity vulnerability in Zzcms 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.4
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Zzcms
Published: 2018-07-02
Last modified: 2026-06-17

Description

An issue was discovered on zzcms 8.3. There is a vulnerability at /user/del.php that can delete any file by placing its relative path into the zzcms_main table and then making an img add request. This can be leveraged for database access by deleting install.lock.

Frequently asked questions

What is CVE-2018-13056?: An issue was discovered on zzcms 8.3. There is a vulnerability at /user/del.php that can delete any file by placing its relative path into the zzcms_main table and then making an img add request. This can be leveraged for database access by deleting install.lock.
How severe is CVE-2018-13056?: CVE-2018-13056 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-2018-13056 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13056?: CVE-2018-13056 affects Zzcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-13056?: 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-2018-13056 published?: CVE-2018-13056 was published on 2018-07-02 and last updated on 2026-06-17.

References

https://github.com/actionyz/ZZCMS/blob/master/del.php.md

Affected products (1)

cpe:2.3:a:zzcms:zzcms:8.3:*:*:*:*:*:*:*

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