What’s Vulnerable › Vulnerabilities

CVE-2020-13483

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-24 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• Bitrix24: through 20.0.0

References

• https://gist.github.com/mariuszpoplwski/ca6258cf00c723184ebd2228ba81f558
• https://gist.github.com/mariuszpoplwski/ca6258cf00c723184ebd2228ba81f558

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