CVE-2020-7356

Name: CVE-2020-7356
Creator: NVD / NIST
Published: 2020-08-06T16:15:13.577+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 14.01%

Last modified Jun 17, 2026

CVE-2020-7356 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. CAYIN xPost suffers from an unauthenticated SQL Injection vulnerability. Input passed via the GET parameter 'wayfinder_seqid' in wayfinder_meeting_input.jsp is not properly sanitized before being returned to the user or used in SQL queries. EPSS estimates a 14.01% chance of exploitation in the next 30 days.

Description

CAYIN xPost suffers from an unauthenticated SQL Injection vulnerability. Input passed via the GET parameter 'wayfinder_seqid' in wayfinder_meeting_input.jsp is not properly sanitized before being returned to the user or used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code and execute SYSTEM commands.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

14.01%

96.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cayintech	Xpost	1.0
Cayintech	Xpost	2.0
Cayintech	Xpost	2.5.18103

References

https://github.com/rapid7/metasploit-framework/pull/13607Patch, Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5571.phpExploit, Third Party Advisory
https://github.com/rapid7/metasploit-framework/pull/13607Patch, Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5571.phpExploit, Third Party Advisory

Timeline

Published: Aug 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7356?

How severe is CVE-2020-7356?

CVE-2020-7356 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 14.01% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7356?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7356?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST