PT-2026-78489
CVE-2026-18430
·
Published
2026-08-19
·
Updated
2026-09-16
Description by
CVSS 4.0
7.2
HighMetricsAV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
Name of the Vulnerable Software and Affected Versions
HumHub version 1.18.4
Description
A stored cross-site scripting issue exists in the comment-deletion notification flow. A Space administrator can exploit this by deleting another user's comment and inserting HTML or JavaScript into the deletion reason when choosing to notify the original author.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
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