XSS in Schiocco Support Board - Chat And Help Desk
CVE-2018-18373
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Schiocco Support Board - Chat And Help Desk — versions 1.2.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- packetstormsecurity.com/files/149806/WordPress-Support-Board-1.2.3-Cross-Site-S… (VDB Entry, Third Party Advisory)
- wpvulndb.com/vulnerabilities/9707
Frequently asked questions
- What is CVE-2018-18373?
- CVE-2018-18373 is a medium-severity vulnerability in Schiocco Support Board - Chat And Help Desk, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-10-17.
- How severe is CVE-2018-18373?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2018-18373 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.