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Vulnerability record · CVE-2022-40778 · published 19 September 2022

CVE-2022-40778: Opswat metadefender cross-site scripting vulnerability

Opswat · Metadefender

A stored Cross-Site Scripting (XSS) vulnerability in OPSWAT MetaDefender ICAP Server before 4.13.0 allows attackers to execute arbitrary JavaScript or HTML because of the blocked page response.

5.4 CVSS 3.1 Medium EPSS 0.47% · top 61.7% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A stored Cross-Site Scripting (XSS) vulnerability in OPSWAT MetaDefender ICAP Server before 4.13.0 allows attackers to execute arbitrary JavaScript or HTML because of the blocked page response.

CVSS:3.1/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
https://docs.opswat.com/mdicap/release-notes Vendor Advisory
https://www.opswat.com/products/metadefender/icap ProductVendor Advisory
https://docs.opswat.com/mdicap/release-notes Vendor Advisory
https://www.opswat.com/products/metadefender/icap ProductVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2022-40778), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.