CVE-2020-13483

MEDIUM EXPLOITED NUCLEI

Bitrix24 < 20.0.0 - Cross-Site Scripting via items[ITEMS][ID] Parameter

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2020-13483 has been observed exploited in the wild (reported by VulnCheck KEV). A Nuclei detection template is also available.

Description

The Web Application Firewall in Bitrix24 through 20.0.0 allows XSS via the items[ITEMS][ID] parameter to the components/bitrix/mobileapp.list/ajax.php/ URI.

Nuclei Templates (1)

Bitrix24 <=20.0.0 - Cross-Site Scripting
MEDIUMby pikpikcu,3th1c_yuk1,s4e-io
Shodan: http.html:"/bitrix/"
FOFA: body="/bitrix/"

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://gist.github.com/mariuszpoplwski/ca6258cf00c723184ebd2228ba81f558

Scores

CVSS v3 6.1
EPSS 0.0451
EPSS Percentile 90.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

VulnCheck KEV 2023-11-15
CWE
CWE-79
Status published
Products (1)
bitrix24/bitrix24 < 20.0.0
Published Jun 24, 2020
Tracked Since Feb 18, 2026