Medium severity · published Jul 23, 2026
CVE-2026-48534
GFI Archiver < 15.13 Stored XSS via ImapServerWizard.aspx
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
GFI Archiver before 15.13 contains a stored cross-site scripting vulnerability in the IMAP Server configuration that allows authenticated attackers to inject arbitrary web script or HTML via the server URL parameter to /Archiver/ImapServerWizard.aspx. The injected payload is stored by ImapServerWizard.SaveAllConfigSettings() without output encoding and is executed in the browsers of users who subsequently view the IMAP Server configuration page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GA
GFI Archiver · GFI Software
before 15.13 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-48534
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-48534
gfi.ai
https://gfi.ai/products-and-solutions/network-security-solutions/archiver/resources/documentation/product-releases
www.vulncheck.com
https://www.vulncheck.com/advisories/gfi-archiver-stored-xss-via-imapserverwizard-aspx
More from GFI Archiver
5.4
CVE-2026-112333
GFI Archiver < 15.14 Stored XSS via MailInsights.aspx
5.4
CVE-2026-48539
GFI Archiver < 15.14 Stored XSS via MailInsights.aspx
5.4
CVE-2026-48538
GFI Archiver < 15.13 Stored XSS via ImportSettingsWizard.ashx
5.4
CVE-2026-48537
GFI Archiver < 15.13 Stored XSS via FileArchiveAssistantWizard.aspx
5.4
CVE-2026-48536
GFI Archiver < 15.13 Stored XSS via GeneralSettingsWizard.aspx