CVE-2020-13758

MediumCVSS 6.1/10Last 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.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://blog.deteact.com/bitrix-waf-bypass/Exploit, Third Party Advisory
https://blog.deteact.com/bitrix-waf-bypass/Exploit, Third Party Advisory

Timeline

Published: Jun 1, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-137597.5rust-vmm vm-memory before 0.1.1 and 0.2.x before 0.2.1 allows attackers to cause a denial of service (loss of IP networking) because read_ob CVE-2020-13767.8<p>An elevation of privilege vulnerability exists in the way that fdSSDP.dll handles objects in memory. An attacker who successfully exploit CVE-2020-137608.8In Joomla! before 3.9.19, missing token checks in com_postinstall lead to CSRF.CVE-2020-137616.1In Joomla! before 3.9.19, lack of input validation in the heading tag option of the "Articles - Newsflash" and "Articles - Categories" modul CVE-2020-137626.1In Joomla! before 3.9.19, incorrect input validation of the module tag option in com_modules allows XSS.CVE-2020-137637.5In Joomla! before 3.9.19, the default settings of the global textfilter configuration do not block HTML inputs for Guest users.CVE-2020-137647.5common.php in the Gravity Forms plugin before 2.4.9 for WordPress can leak hashed passwords because user_pass is not considered a special ca CVE-2020-137655.6rom_copy() in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to tri CVE-2020-137675.9The Mitel MiCollab application before 9.1.332 for iOS could allow an unauthorized user to access restricted files and folders due to insuffi CVE-2020-137689.8In MiniShare before 1.4.2, there is a stack-based buffer overflow via an HTTP PUT request, which allows an attacker to achieve arbitrary cod CVE-2020-137698.8LDMS/alert_log.aspx in Ivanti Endpoint Manager through 2020.1 allows SQL Injection via a /remotecontrolauth/api/device request.CVE-2020-13777.8An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who su