Vulnerability · Published Mar 31, 2025 · Assigned by VulDB

CVE-2025-2975GFI KerioConnect Signature EditHtmlSource cross site scripting

Low 3.5

In plain English

A low-severity cross-site scripting in KerioConnect from GFI. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.3%top 76.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in GFI KerioConnect 10.0.6 and classified as problematic. This issue affects some unknown processing of the file Settings/Email/Signature/EditHtmlSource of the component Signature Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
GFI	KerioConnect	10.0.6

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

References

VDB-302027 | GFI KerioConnect Signature EditHtmlSource cross site scripting vdb-entry
VDB-302027 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #523009 | Kerio Connect KerioConnect 10.0.6 Cross Site Scripting third-party-advisory
https://github.com/0xs1ash/poc/blob/main/xss.md#1-stored-xss exploit