Medium severity · published Dec 13, 2021
CVE-2020-19042
Cross Site Scripting (XSS) vulnerability exists in zzcms 2019 XSS via a modify action in user/adv.php
6.1
CVSS
0.9%
EPSS
No
On KEV
Description
Cross Site Scripting (XSS) vulnerability exists in zzcms 2019 XSS via a modify action in user/adv.php.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZZ
Zzcms · Zzcms
2019 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-19042
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-19042
Exploit
https://github.com/zzb1999/CVE/blob/master/zzcms/XSS.md
More from Zzcms
9.8
CVE-2025-22957
A SQL injection vulnerability exists in the front-end of the website in ZZCMS <= 2023, which can be exploited without any authentication
9.8
CVE-2025-0565
ZZCMS index.php sql injection
9.8
CVE-2024-52724
ZZCMS 2023 was discovered to contain a SQL injection vulnerability in /q/show.php
9.8
CVE-2024-10293
ZZCMS functions.php Ebak_SetGotoPak unrestricted upload
9.8
CVE-2024-10292
ZZCMS ChangeTable.php unrestricted upload