textview_uri_security_check in textview.c in Claws Mail before 3.18.0, and Sylpheed through 3.7.0, does not have sufficient link checks before accepting a click.
https://sylpheed.sraoss.jp/sylpheed/v3.7/sylpheed-3.7.0.tar.xz
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RCJXHUSYHGVBSH2ULD7HNXLM7QNRECZ6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L2QNUIWASJLPUZZKWICGCEGYJZCQE7NH/
https://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=ac286a71ed78429e16c612161251b9ea90ccd431
https://claws-mail.org/download.php?file=releases/claws-mail-3.18.0.tar.xz
Source: Mitre, NVD
Published: 2021-07-30
Updated: 2023-11-07
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00486