How severe is CVE-2001-1257?

CVE-2001-1257 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-1257 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1257?

CVE-2001-1257 primarily affects Horde Imp. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1257?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2001-1257 published?

CVE-2001-1257 was published on 2001-07-21 and last updated on 2026-06-16.

CVE-2001-1257

CVE-2001-1257 is a high-severity vulnerability in Horde Imp with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Horde Imp
Published: 2001-07-21
Last modified: 2026-06-16

Description

Cross-site scripting vulnerability in Horde Internet Messaging Program (IMP) before 2.2.6 and 1.2.6 allows remote attackers to execute arbitrary Javascript embedded in an email.

Frequently asked questions

What is CVE-2001-1257?: Cross-site scripting vulnerability in Horde Internet Messaging Program (IMP) before 2.2.6 and 1.2.6 allows remote attackers to execute arbitrary Javascript embedded in an email.
How severe is CVE-2001-1257?: CVE-2001-1257 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1257 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1257?: CVE-2001-1257 primarily affects Horde Imp. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1257?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2001-1257 published?: CVE-2001-1257 was published on 2001-07-21 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:horde:imp:2.0:*:*:*:*:*:*:*
cpe:2.3:a:horde:imp:2.2:*:*:*:*:*:*:*
cpe:2.3:a:horde:imp:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:horde:imp:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:horde:imp:2.2.3:*:*:*:*:*:*:*
cpe:2.3:a:horde:imp:2.2.4:*:*:*:*:*:*:*
cpe:2.3:a:horde:imp:2.2.5:*:*:*:*:*:*:*

More vulnerabilities in Horde Imp

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CVE-2002-0181 — High (CVSS 7.5): Cross-site scripting vulnerability in status.php3 for IMP 2.2.8 and HORDE 1.2.7 allows remote attackers to execute…
CVE-2007-1474 — Medium (CVSS 6.8): Argument injection vulnerability in the cleanup cron script in Horde Project Horde and IMP before Horde Application…
CVE-2004-0584 — Medium (CVSS 6.8): Unknown vulnerability in Horde IMP 3.2.3 and earlier, before a "security fix," does not properly validate input, which…
CVE-2007-6018 — Medium (CVSS 5.8): IMP Webmail Client 4.1.5, Horde Application Framework 3.1.5, and Horde Groupware Webmail Edition 1.0.3 does not…
CVE-2002-2024 — Medium (CVSS 5.3): Horde IMP 2.2.7 allows remote attackers to obtain the full web root pathname via an HTTP request for (1) poppassd.php3,…

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