Medium severity · published Sep 4, 2020
CVE-2020-24963
An Authenticated Persistent XSS vulnerability was discovered in the Best Support System, tested version v3.0.4
5.4
CVSS
1.9%
EPSS
No
On KEV
Description
An Authenticated Persistent XSS vulnerability was discovered in the Best Support System, tested version v3.0.4.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BS
Best Support System · Appsbd
3.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-24963
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-24963
ex-mi.ru
https://ex-mi.ru/exploit/%5B2020-08-23%5D-%5BPHP%5D-best-support-system-v3.0.4.txt
medium.com
https://medium.com/%40ex.mi/php-best-support-system-v3-0-4-authenticated-persistent-xss-dfe6d4a06f75