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High · 7.2 Public exploit CVE-2025-30349 EUVD-2025-7227GHSA-mchq-vv84-m9gr

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 …

Published Mar 21, 2025 · Updated Apr 3, 2025 · Assigned by mitre

Vendor: horde Product: imp Package: php-horde Package: php-horde-imp Package: php-horde-imp Ecosystem: Debian Ecosystem: Ubuntu

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.

Affected products

VendorProductAffectedFixed
Horde IMP ≤ 6.2.27 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 12 php-horde-imp No fix yet —
Debian 11 php-horde-imp 6.2.27-2+deb11u1 DLA-4113-1

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 18.04 LTS php-horde +1 No fix yet —
Ubuntu 16.04 LTS php-horde +1 No fix yet —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • natasaka/CVE-2025-30349 ★ 2 · Mar 27, 2025

    Horde IMP (through 6.2.27) vulnerability – obfuscation via HTML encoding – XSS payload

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 1

References