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VULNERABILITIES

CVE-2020-13758 Details

Description

modules/security/classes/general.post_filter.php/post_filter.php in the Web Application Firewall in Bitrix24 through 20.0.950 allows XSS by placing %00 before the payload.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://blog.deteact.com/bitrix-waf-bypass/ CVEExploitThird Party Advisory
https://blog.deteact.com/bitrix-waf-bypass/ [email protected]ExploitThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
bitrix bitrix24
<= 20.0.950

CPE

  • cpe:2.3:a:bitrix:bitrix24:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-13758
NVD Published Date:
Jun 1, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-13758 Details - Not Deferred