Vulnerability · CVE-2011-2444
Adobe Flash Player Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published Sep 22, 2011 · catalog updated Sep 22, 2011 · Adobe Flash Player
Patch now
CVE-2011-2444 is in the CISA known-exploited catalog. Confirm Adobe Flash Player against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- Unknown—
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 2.70%
- Remediation
- Remediation guidance
- Affected products
- vendor Adobe Flash Player
Cross-site scripting (XSS) vulnerability in Adobe Flash Player before 10.3.183.10 on Windows, Mac OS X, Linux, and Solaris, and before 10.3.186.7 on Android, allows remote attackers to inject arbitrary web script or HTML via a crafted URL, related to a "universal cross-site scripting issue," as exploited in the wild in September 2011.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Adobe Flash Playerversion unspecified
How to fix CVE-2011-2444
Recommended remediation
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2011-2444 is in the CISA known-exploited catalog. Confirm Adobe Flash Player against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
What should an analyst verify?
No weakness class is stored. EPSS 2.70%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Sep 22, 2011 · VulnCheck KEV
Detected
Cross-site scripting (XSS) vulnerability in Adobe Flash Player before 10.3.183.10 on Windows, Mac OS X, Linux, and Solaris, and before 10.3.186.7 on Android, allows remote attackers to inject arbitrary web script or HTML via a crafted URL, related to a "universal cross-site scripting issue," as exploited in the wild in September 2011.
Sep 22, 2011 · CISA KEV
Known exploited
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Sources
- CVE.orgVulnerability recordCVE-2011-2444
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2011-2444
30-day exploitation probability 2.7%
first.org - VulnCheck KEVConfirmed exploitationCVE-2011-2444
Cross-site scripting (XSS) vulnerability in Adobe Flash Player before 10.3.183.10 on Windows, Mac OS X, Linux, and Solaris, and before 10.3.186.7 on Android, allows remote attackers to inject arbitrary web script or HTML via a crafted URL, related to a "universal cross-site scrip
vulncheck.com
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.