XSS in Icewarp
CVE-2025-14499
IceWarp gmaps Cross-Site Scripting Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of IceWarp. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of a parameter passed to the gmaps webpage. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-25441.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000
Affected products
- Icewarp — versions 14.2.0.5
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-25-1071/ (x_research-advisory)
- support.icewarp.com/hc/en-us/community/posts/40040542307729-EPOS-Update-2-build… (vendor-advisory)
Frequently asked questions
- What is CVE-2025-14499?
- CVE-2025-14499 is a high-severity vulnerability in Icewarp, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2025-12-23.
- How severe is CVE-2025-14499?
- High severity. CVSS v3 base score is 8.8 out of 10.