Adobe Shockwave Player through 11.6.8.638 allows remote attackers to trigger installation of arbitrary signed Xtras via a Shockwave movie that contains an Xtra URL, as demonstrated by a URL for an outdated Xtra.
http://www.kb.cert.org/vuls/id/519137
http://www.kb.cert.org/vuls/id/323161
Source: Mitre, NVD
Published: 2012-12-20
Updated: 2026-06-16
Base Score: 9.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Severity: Medium
EPSS: 0.00749