CVE-2020-23426
zzcms 201910 contains an access control vulnerability through escalation of privileges in /user...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-23426- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-23426- Updated
- 2026-11-02
EUVDEUVD-2020-16173 No score
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.
- Record
EUVD-2020-16173- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wf3r-vmmg-hh9p
zzcms 201910 contains an access control vulnerability through escalation of privileges in /user...
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.
- Record
GHSA-wf3r-vmmg-hh9p- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-23426 is a critical vulnerability (CVSS 9.8) in Zzcms, published April 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.71%, the 89th percentile. No source names a fixed version.