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Fencer Vulns
medium 4.3

CVE-2008-4818 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-2008-4797

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 involving HTTP response headers.

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-2008-4818 updated

Flash Player XSS

  • 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.