CVE-2026-75003: In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking…

PriorityP433medium5.8CVSS 3.1

AVNACLPRNUINSCCLINAN

EPSS

0.31%

23.5th percentile

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
roundcube	webmail	>= 1.6.0 < 1.6.18	1.6.18
roundcube	webmail	>= 1.7.0 < 1.7.3	1.7.3

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