CVE-2025-30349
High PUBLISHEDHorde 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...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Mar 21, 2025
- Exploitation Reported
- Mar 21, 2025
- CVSS
- 7.2 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Horde |
IMP
|
0 to <= 6.2.27 |
Affected |
CVE References
- GitHub — horde/webmail github.com · CVE Record https://github.com/horde/webmail/releases/tag/v5.2.22
- horde.org/apps/imp horde.org · CVE Record https://www.horde.org/apps/imp
- lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.html lists.horde.org · CVE Record https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.html
- web.archive.org/web/20250321152616/https://lists.horde.org/a... web.archive.org · CVE Record https://web.archive.org/web/20250321152616/https://lists.horde.org/ar...
- horde.org/download/horde horde.org · CVE Record https://www.horde.org/download/horde
Show 8 more references
- GitHub — horde/imp github.com · CVE Record https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d951386...
- horde.org/apps/horde horde.org · CVE Record https://www.horde.org/apps/horde
- GitHub — horde/imp github.com · CVE Record https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d951386...
- lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.html lists.horde.org · CVE Record https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.html
- GitHub — horde/imp github.com · CVE Record https://github.com/horde/imp/releases/tag/v6.2.27
- GitHub — horde/base github.com · CVE Record https://github.com/horde/base/releases/tag/v5.2.23
- web.archive.org/web/20250321162434/https://lists.horde.org/a... web.archive.org · CVE Record https://web.archive.org/web/20250321162434/https://lists.horde.org/ar...
- GitHub — natasaka/CVE-2025-30349 github.com · CVE Record https://github.com/natasaka/CVE-2025-30349/
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2025-03-21 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Exploitation Status
Proof of concept available
Recorded 2025-03-27 20:22:45 UTC · GitHub
Weaknesses (CWE)
-
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2025-03-27 20:22:45 UTC · 0 stars
Horde IMP (through 6.2.27) vulnerability – obfuscation via HTML encoding – XSS payload
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
20:22 UTC over 1 year ago20:22 UTC · over 1 year ago
Public PoC available
Public proof-of-concept code published
-
00:00 UTC over 1 year ago00:00 UTC · over 1 year ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
00:00 UTC over 1 year ago00:00 UTC · over 1 year ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 1 year ago00:00 UTC · over 1 year ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2025-30349
{
"cve_id": "CVE-2025-30349",
"title": "Horde IMP through 6.2.27, as used with Horde Application Framework through 5....",
"affected_vendor": "Horde",
"affected_product": "IMP",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 7.2,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": false,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}