XChat 1.8.7 and earlier, including default configurations of 1.4.2 and
1.4.3, allows remote attackers to execute arbitrary IRC commands as
other clients via encoded characters in a PRIVMSG command that calls
CTCP PING, which expands the characters in the client response when
the percascii variable is set.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
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disclosed, or updated in CVE.
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