MHonArc 2.5.2 and earlier does not properly filter Javascript from archived e-mail messages, which could allow remote attackers to execute script in web clients by (1) splitting the SCRIPT tag into smaller pieces, (2) including the script in a SRC argument to an IMG tag, or (3) using "&={script}" syntax.

Threat-Mapped Scoring

Score: 0.0

Priority: Unclassified

EPSS

Score: 0.01141
Percentile: 0.77507

CVSS Scoring

Affected Products

• cpe:2.3:a:mhonarc:mhonarc:2.5:*:*:*:*:*:*:*
• cpe:2.3:a:mhonarc:mhonarc:2.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:mhonarc:mhonarc:2.5.2:*:*:*:*:*:*:*

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