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Vulnerabilities

Vulnerability · CVE-2008-5644

Cross-site scripting (XSS) vulnerability in the file backend module in TYPO3 4.2.2 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.

Published Dec 17, 2008 · catalog updated Jun 16, 2026 · Cross-site scripting (XSS) vulnerability

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2008-5644. EPSS is 1.09%. Act only if a listed version of Cross-site scripting (XSS) vulnerability is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Cross-site scripting (XSS) vulnerability).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.09%
Remediation
Advisory link
Affected products
cpe typo3/typo3

Cross-site scripting (XSS) vulnerability in the file backend module in TYPO3 4.2.2 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.

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.

  • cpe typo3/typo34.2.2

How to fix CVE-2008-5644

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2008-5644. EPSS is 1.09%. Act only if a listed version of Cross-site scripting (XSS) vulnerability is installed.

Which versions are affected?

Compare what you have installed with 4.2.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 1.09%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

TYPO3 security

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.

  1. Dec 17, 2008 · Monitored products — high

    Detected

    Cross-site scripting (XSS) vulnerability in the file backend module in TYPO3 4.2.2 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.

  2. Jun 16, 2026 · Monitored products — high

    Updated

    Cross-site scripting (XSS) vulnerability in the file backend module in TYPO3 4.2.2 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.

Sources

  • CVE.orgVulnerability recordCVE-2008-5644

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2008-5644

    Cross-site scripting (XSS) vulnerability in the file backend module in TYPO3 4.2.2 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • Monitored products — highNov 3, 2026