CVE-2020-13758

PoC —

CVSS 3.1

6.1 medium

EPSS

<1%p56

Published

Jun 1, 2020 (Jun 1, 2020)

Modified

Jun 17, 2026

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.

Vendors: bitrix
Products: bitrix24
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

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