CVE-2025-30349

Summary

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.

Affected Software

Weaknesses

• CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

CVE Program Container

Additional References

• https://lists.debian.org/debian-lts-announce/2025/04/msg00008.html

References

• https://github.com/horde/webmail/releases/tag/v5.2.22
• https://www.horde.org/apps/imp
• https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.html
• https://web.archive.org/web/20250321152616/https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.html
• https://www.horde.org/download/horde
• https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d95138619bd4/doc/INSTALL.rst?plain=1#L61-L62
• https://www.horde.org/apps/horde
• https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d95138619bd4/doc/INSTALL.rst?plain=1#L23-L25
• https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.html
• https://github.com/horde/imp/releases/tag/v6.2.27
• https://github.com/horde/base/releases/tag/v5.2.23
• https://web.archive.org/web/20250321162434/https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.html
• https://github.com/natasaka/CVE-2025-30349/

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