How severe is CVE-2009-5053?

CVE-2009-5053 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-5053 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-5053?

CVE-2009-5053 primarily affects Smarty. In total, 63 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-5053?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-5053 published?

CVE-2009-5053 was published on 2011-02-03 and last updated on 2026-06-16.

CVE-2009-5053

CVE-2009-5053 is a high-severity vulnerability in Smarty with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Smarty
Published: 2011-02-03
Last modified: 2026-06-16

Description

Unspecified vulnerability in Smarty before 3.0.0 beta 6 allows remote attackers to execute arbitrary PHP code by injecting this code into a cache file.

Frequently asked questions

What is CVE-2009-5053?: Unspecified vulnerability in Smarty before 3.0.0 beta 6 allows remote attackers to execute arbitrary PHP code by injecting this code into a cache file.
How severe is CVE-2009-5053?: CVE-2009-5053 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-5053 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-5053?: CVE-2009-5053 primarily affects Smarty. In total, 63 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-5053?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-5053 published?: CVE-2009-5053 was published on 2011-02-03 and last updated on 2026-06-16.

References

http://smarty-php.googlecode.com/svn/trunk/distribution/change_log.txt

Affected products (63)

cpe:2.3:a:smarty:smarty:*:beta5:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.0a:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.0b:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.4.0:b1:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.4.0:b2:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.4.5:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.4.6:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.5.0:rc2:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.6.0:rc1:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.6.0:rc2:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.6.0:rc3:*:*:*:*:*:*

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CVE-2009-5052 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in Smarty before 3.0.0 beta 6 have unknown impact and attack vectors.

All CVEs affecting Smarty →