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Vulnerability record · CVE-2018-18373 · published 17 October 2018

CVE-2018-18373: Schiocco support board - chat and help desk cross-site scripting vulnerability

Schiocco · Support Board Chat And Help Desk

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.

5.4 CVSS 3.0 Medium EPSS 0.80% · top 45.3% CWE-79 · Cross-site scripting
5.4CVSS 3.0 base score, v2 3.5
0.80%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/149806/WordPress-Support-Board-1.2.3-Cross-Site-Scripting.html Third Party AdvisoryVDB Entry
https://wpvulndb.com/vulnerabilities/9707
http://packetstormsecurity.com/files/149806/WordPress-Support-Board-1.2.3-Cross-Site-Scripting.html Third Party AdvisoryVDB Entry
https://wpvulndb.com/vulnerabilities/9707

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-18373), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.