80%
21%
98%
Multiple versions of PowerCMS improperly neutralize formula elements in a CSV file. If a product user creates a malformed entry and a victim user downloads it as a CSV file and opens it in the user's environment, the embedded code may be executed.
CVSS 3.1 Base Score 8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H).
Hyperlinks or other commands can be executed when a cell begins with the formula identifier, '='
=HYPERLINK(link_location, [friendly_name])
Stripping the leading equals sign, or simply not executing formulas from untrusted sources, impedes malicious activity.
HYPERLINK(link_location, [friendly_name])
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