CVE-2018-18373

Name: CVE-2018-18373
Creator: NVD / NIST
Published: 2018-10-17T14:29:01.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.80%

Last modified Jun 17, 2026

CVE-2018-18373 is a vulnerability of currently unknown severity. In the Schiocco "Support Board - Chat And Help Desk" plugin 1.2.3 for WordPress, a Stored XSS vulnerability has been discovered in file upload areas in the Chat and Help Desk sections via the msg parameter in a /wp-admin/admin-ajax.php sb_ajax_add_message action.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

In the Schiocco "Support Board - Chat And Help Desk" plugin 1.2.3 for WordPress, a Stored XSS vulnerability has been discovered in file upload areas in the Chat and Help Desk sections via the msg parameter in a /wp-admin/admin-ajax.php sb_ajax_add_message action.

Metrics

EPSS Probability

0.80%

51.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Schiocco	Support Board - Chat And Help Desk	1.2.3

References

http://packetstormsecurity.com/files/149806/WordPress-Support-Board-1.2.3-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
https://wpvulndb.com/vulnerabilities/9707
http://packetstormsecurity.com/files/149806/WordPress-Support-Board-1.2.3-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
https://wpvulndb.com/vulnerabilities/9707

Timeline

Published: Oct 17, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-18373?

How severe is CVE-2018-18373?

Severity scoring for CVE-2018-18373 is pending analysis. The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2018-18373?

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-2018-18373?

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

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Source: NVD / NIST