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MEDIUM · 6.1

CVE-2020-13758

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.

Vulnerability 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.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
BitrixBitrix24<= 20.0.950

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2020-13758?

CVE-2020-13758 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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.

How severe is CVE-2020-13758?

CVE-2020-13758 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-13758?

Check the references section above for vendor advisories and patch information. Affected products include: Bitrix Bitrix24.