What’s Vulnerable › Vulnerabilities

CVE-2022-40778

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-09-19 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• OPSWAT Metadefender: before 4.13.0 — fixed in 4.13.0

How to fix

Upgrade to a fixed version: OPSWAT Metadefender 4.13.0. Check the vendor advisory for mitigations.

References

• https://docs.opswat.com/mdicap/release-notes
• https://www.opswat.com/products/metadefender/icap
• https://docs.opswat.com/mdicap/release-notes
• https://www.opswat.com/products/metadefender/icap

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