CVE-2020-23426
CVSS v3
9.8
CRITICAL
EPSS Score
3.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
zzcms 201910 contains an access control vulnerability through escalation of privileges in /user/adv.php, which allows an attacker to modify data for further attacks such as CSRF.
Technical details
- Published
- 2021-04-08
Frequently asked questions
What is CVE-2020-23426?
zzcms 201910 contains an access control vulnerability through escalation of privileges in /user/adv.php, which allows an attacker to modify data for further attacks such as CSRF.
Is CVE-2020-23426 actively exploited?
Active exploitation of CVE-2020-23426 has not been confirmed. Its EPSS score was 3.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-23426?
CVE-2020-23426 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2020-23426 affecting your environment?
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