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, which may lead to information disclosure or privilege escalation.

Scoring

Severity
MEDIUM
CVSS base score
5.8
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
EPSS probability
0.31%
CWE
CWE-669
Published
2026-08-17
Last modified
2026-08-18

Affected products

Weakness type

Related vulnerabilities

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