An issue was discovered in ThinkSAAS 2.91. There is XSS via the content to the index.php?app=group&ac=comment&ts=do&js=1 URI, as demonstrated by a crafted SVG document in the SRC attribute of an EMBED element.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)