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CVE details

CVE-2026-114728

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a remote content blocking bypass in the handling of FuncIRI attributes. rcube_washtml detected the CSS url() token with a pattern that enumerated only some of its escaped spellings, so values using other CSS escape sequences, for example \000075rl( or u\72 l(, were not recognized and remote content was loaded from an HTML message without the user's consent. Upstream fixed this in the commit “Fix remote content blocking bypass via CSS escapes in FuncIRI attributes (again)”, which resolves CSS escapes before matching and also inspects the `to`, `from` and `by` attributes.

Score
5.3 medium
Published
2026-10-22
Links
NVD · cve.org · Report wrong data

Matched ports (15)

PortPackageVersionStatusMaintainer
mail/roundcube-classicroundcube-classic-php821.6.0.4unaddressedbrnrd@FreeBSD.org
mail/roundcube-classicroundcube-classic-php831.6.0.4unaddressedbrnrd@FreeBSD.org
mail/roundcube-classicroundcube-classic-php841.6.0.4unaddressedbrnrd@FreeBSD.org
mail/roundcube-classicroundcube-classic-php851.6.0.4unaddressedbrnrd@FreeBSD.org
mail/roundcube-classicroundcube-classic-php861.6.0.4unaddressedbrnrd@FreeBSD.org
mail/roundcube-larryroundcube-larry-php821.6.1.3unaddressedbrnrd@FreeBSD.org
mail/roundcube-larryroundcube-larry-php831.6.1.3unaddressedbrnrd@FreeBSD.org
mail/roundcube-larryroundcube-larry-php841.6.1.3unaddressedbrnrd@FreeBSD.org
mail/roundcube-larryroundcube-larry-php851.6.1.3unaddressedbrnrd@FreeBSD.org
mail/roundcube-larryroundcube-larry-php861.6.1.3unaddressedbrnrd@FreeBSD.org
mail/roundcuberoundcube-php821.7.5,1fixed by updateale@FreeBSD.org
mail/roundcuberoundcube-php831.7.5,1fixed by updateale@FreeBSD.org
mail/roundcuberoundcube-php841.7.5,1fixed by updateale@FreeBSD.org
mail/roundcuberoundcube-php851.7.5,1fixed by updateale@FreeBSD.org
mail/roundcuberoundcube-php861.7.5,1fixed by updateale@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>roundcube-classic-php82</name>
	<range><lt>1.6.20</lt></range>
      </package>
      <package>
	<name>roundcube-classic-php83</name>
	<range><lt>1.6.20</lt></range>
      </package>
      <package>
	<name>roundcube-classic-php84</name>
	<range><lt>1.6.20</lt></range>
      </package>
      <package>
	<name>roundcube-classic-php85</name>
	<range><lt>1.6.20</lt></range>
      </package>
      <package>
	<name>roundcube-classic-php86</name>
	<range><lt>1.6.20</lt></range>
      </package>
      <package>
	<name>roundcube-larry-php82</name>
	<range><lt>1.6.20</lt></range>
      </package>
      <package>
	<name>roundcube-larry-php83</name>
	<range><lt>1.6.20</lt></range>
      </package>
      <package>
	<name>roundcube-larry-php84</name>
	<range><lt>1.6.20</lt></range>
      </package>
      <package>
	<name>roundcube-larry-php85</name>
	<range><lt>1.6.20</lt></range>
      </package>
      <package>
	<name>roundcube-larry-php86</name>
	<range><lt>1.6.20</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by
	a remote content blocking bypass in the handling of FuncIRI
	attributes. rcube_washtml detected the CSS url() token with a pattern
	that enumerated only some of its escaped spellings, so values using
	other CSS escape sequences, for example \000075rl( or u\72 l(, were
	not recognized and remote content was loaded from an HTML message
	without the user's consent. Upstream fixed this in the commit “Fix
	remote content blocking bypass via CSS escapes in FuncIRI attributes
	(again)”, which resolves CSS escapes before matching and also
	inspects the `to`, `from` and `by` attributes.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-114728</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-114728</url>
    </references>
    <dates>
      <discovery>2026-10-22</discovery>
      <entry>2026-10-27</entry>
    </dates>
  </vuln>