Improper input validation in Zzcms

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.013 (66.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

  • Zzcms — versions 8.3
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-13056?
CVE-2018-13056 is a high-severity vulnerability in Zzcms, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-07-02.
How severe is CVE-2018-13056?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-13056 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.