Medium severity · published Sep 14, 2026
CVE-2026-90936
Froxlor before 2.3.7 Information Disclosure via customer_email.php
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
Froxlor before 2.3.7 fails to properly scope sender alias lookups to the current customer in customer_email.php. Authenticated attackers can enumerate global sender alias IDs and read other customers' allowed sender values by supplying arbitrary senderid parameters in delete confirmation requests.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
froxlor · froxlor
before 2.3.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90936
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90936
vendor-advisory
https://github.com/froxlor/froxlor/security/advisories/GHSA-mr9h-45p9-fg8h
third-party-advisory
https://www.vulncheck.com/advisories/froxlor-before-2.3.7-information-disclosure-via-customer-email-php
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