CVE-2004-0520

CVE-2004-0520 is a medium-severity vulnerability in Open Webmail with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Cross-site scripting (XSS) vulnerability in mime.php for SquirrelMail before 1.4.3 allows remote attackers to insert arbitrary HTML and script via the content-type mail header, as demonstrated using read_body.php.

Frequently asked questions

What is CVE-2004-0520?
Cross-site scripting (XSS) vulnerability in mime.php for SquirrelMail before 1.4.3 allows remote attackers to insert arbitrary HTML and script via the content-type mail header, as demonstrated using read_body.php.
How severe is CVE-2004-0520?
CVE-2004-0520 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2004-0520 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0520?
CVE-2004-0520 primarily affects Open Webmail. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0520?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-0520 published?
CVE-2004-0520 was published on 2004-08-18 and last updated on 2026-06-16.

References

Affected products (21)

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