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HIGH

CVE-2025-30349

CVSS v3

7.2

HIGH

EPSS Score

31.3 %

exploit probability, as of 2026-10-04

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Horde IMP through 6.2.27, as used with Horde Application Framework through 5.2.23, allows XSS that leads to account takeover via a crafted text/html e-mail message with an onerror attribute (that may use base64-encoded JavaScript code), as exploited in the wild in March 2025.

Technical details

Published
2025-03-21

Frequently asked questions

What is CVE-2025-30349?

Horde IMP through 6.2.27, as used with Horde Application Framework through 5.2.23, allows XSS that leads to account takeover via a crafted text/html e-mail message with an onerror attribute (that may use base64-encoded JavaScript code), as exploited in the wild in March 2025.

Is CVE-2025-30349 actively exploited?

Active exploitation of CVE-2025-30349 has not been confirmed. Its EPSS score was 31.3% on 2026-10-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-30349?

CVE-2025-30349 has a CVSS v3 base score of 7.2 (HIGH severity).

Is CVE-2025-30349 affecting your environment?

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