How severe is CVE-2008-4810?

CVE-2008-4810 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2008-4810 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4810?

CVE-2008-4810 primarily affects Smarty. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4810?

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-2008-4810 published?

CVE-2008-4810 was published on 2008-10-31 and last updated on 2026-06-16.

CVE-2008-4810

CVE-2008-4810 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. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Smarty
Published: 2008-10-31
Last modified: 2026-06-16

Description

The _expand_quoted_text function in libs/Smarty_Compiler.class.php in Smarty 2.6.20 before r2797 allows remote attackers to execute arbitrary PHP code via vectors related to templates and (1) a dollar-sign character, aka "php executed in templates;" and (2) a double quoted literal string, aka a "function injection security hole." NOTE: each vector affects slightly different SVN revisions.

Frequently asked questions

What is CVE-2008-4810?: The _expand_quoted_text function in libs/Smarty_Compiler.class.php in Smarty 2.6.20 before r2797 allows remote attackers to execute arbitrary PHP code via vectors related to templates and (1) a dollar-sign character, aka "php executed in templates;" and (2) a double quoted literal string, aka a "function injection security hole." NOTE: each vector affects slightly different SVN revisions.
How severe is CVE-2008-4810?: CVE-2008-4810 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-4810 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4810?: CVE-2008-4810 primarily affects Smarty. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4810?: 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-2008-4810 published?: CVE-2008-4810 was published on 2008-10-31 and last updated on 2026-06-16.

References

Affected products (56)

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:*:*:*:*:*:*
cpe:2.3:a:smarty:smarty:2.6.1:*:*:*:*:*:*:*

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