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Fencer Vulns
medium 4.3

CVE-2008-4823 json

Cross-site scripting (XSS) vulnerability in Adobe Flash Player 9.0.124.0 and earlier allows remote attackers to inject arbitrary web script…

published 2008-11-10 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4802

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.9%
EPSS 5.9% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in Adobe Flash Player 9.0.124.0 and earlier allows remote attackers to inject arbitrary web script or HTML via vectors related to loose interpretation of an ActionScript attribute.

Patch / fix

  • flash-plugin RHEL 5 EXTRAS 10.0.12.36-2.el5
  • flash-plugin RHEL 3 EXTRAS 9.0.151.0-1.el3.with.oss
  • flash-plugin RHEL 4 EXTRAS 9.0.151.0-1.el4

red hat advisories RHSA-2008:0945RHSA-2008:0980

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2008-4823 updated

Flash Player HTML injection flaw

  • Red Hat Desktop version 3 Extras flash-plugin 9.0.151.0-1.el3.with.oss Red Hat Desktop version 4 Extras flash-plugin 9.0.151.0-1.el4 Red Hat Enterprise Linux AS version 3 Extras flash-plugin 9.0.151.0-1.el3.with.oss Red Hat Enterprise Linux AS version 4 Extras flash-plugin 9.0.151.0-1.el4
    fixed: vendor fix RHSA-2008:0980
  • Red Hat Enterprise Linux Desktop Supplementary (v. 5) flash-plugin 10.0.12.36-2.el5
    fixed: vendor fix RHSA-2008:0945
  • Red Hat Enterprise Linux ES version 3 Extras flash-plugin 9.0.151.0-1.el3.with.oss Red Hat Enterprise Linux ES version 4 Extras flash-plugin 9.0.151.0-1.el4
    fixed: vendor fix RHSA-2008:0980
  • Red Hat Enterprise Linux Server Supplementary (v. 5) flash-plugin 10.0.12.36-2.el5
    fixed: vendor fix RHSA-2008:0945
  • Red Hat Enterprise Linux WS version 3 Extras flash-plugin 9.0.151.0-1.el3.with.oss Red Hat Enterprise Linux WS version 4 Extras flash-plugin 9.0.151.0-1.el4
    fixed: vendor fix RHSA-2008:0980

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.95% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.