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Vulnerabilities

Vulnerability · CVE-2010-4953

Unspecified vulnerability in the JW Calendar (jw_calendar) extension 1.3.20 and earlier for TYPO3 allows remote attackers to execute arbitrary code via unknown vectors.

Published Oct 9, 2011 · catalog updated Jun 16, 2026 · jw calendar jw calendar

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-2010-4953. EPSS is 3.28%. Act only if a listed version of jw calendar jw calendar is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical10.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
3.28%
Remediation
Version ranges on file
Affected products
cpe jw calendar/jw calendar

Unspecified vulnerability in the JW Calendar (jw_calendar) extension 1.3.20 and earlier for TYPO3 allows remote attackers to execute arbitrary code 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 jw calendar/jw calendar<= 1.3.20

How to fix CVE-2010-4953

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-2010-4953. EPSS is 3.28%. Act only if a listed version of jw calendar jw calendar is installed.

Which versions are affected?

Compare what you have installed with jw calendar/jw calendar <= 1.3.20. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 3.28%. 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. Oct 9, 2011 · Monitored products — high

    Detected

    Unspecified vulnerability in the JW Calendar (jw_calendar) extension 1.3.20 and earlier for TYPO3 allows remote attackers to execute arbitrary code via unknown vectors.

  2. Jun 16, 2026 · Monitored products — high

    Updated

    Unspecified vulnerability in the JW Calendar (jw_calendar) extension 1.3.20 and earlier for TYPO3 allows remote attackers to execute arbitrary code via unknown vectors.

Sources

  • CVE.orgVulnerability recordCVE-2010-4953

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2010-4953

    Unspecified vulnerability in the JW Calendar (jw_calendar) extension 1.3.20 and earlier for TYPO3 allows remote attackers to execute arbitrary code 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