CVE-2004-0591

Sqwebmail vulnerability

CVSS

6.8

EPSS

5.0%

EPSS pct

91th

Exploited

No known

Cross-site scripting (XSS) vulnerability in the print_header_uc function for SqWebMail 4.0.4 and earlier, and possibly 3.x, allows remote attackers to inject arbitrary web script or HRML via (1) e-mail headers or (2) a message with a "message/delivery-status" MIME Content-Type.

Affected vendor

Inter7

Affected product

Sqwebmail

CVSS vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Published

2004-08-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 5.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2004-0591

Confirm whether Inter7 Sqwebmail is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2004-0591.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-0591

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2004-0591 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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