A stored Cross-Site Scripting (XSS) vulnerability in OPSWAT MetaDefender ICAP Server before 4.13.0 allows attackers to execute arbitrary Ja…

published 2022-09-19 4y ago modified 2026-06-17 4mo ago also EUVD-2022-44044

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

opswat metadefender 4.13.0

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Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

opswat.com /products/metadefender/icap
product, vendor-advisory
docs.opswat.com /mdicap/release-notes
vendor-advisory

Sources

CVE List CVE-2022-40778
NVD CVE-2022-40778

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