What is CVE-2020-13483?

CVE-2020-13483 is a medium-severity vulnerability in Bitrix24, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-06-24.

How severe is CVE-2020-13483?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-13483 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Bitrix24

CVE-2020-13483

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.045 (90.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Bitrix24
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-13483?: CVE-2020-13483 is a medium-severity vulnerability in Bitrix24, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-06-24.
How severe is CVE-2020-13483?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-13483 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.