How severe is CVE-2011-4959?

CVE-2011-4959 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2011-4959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4959?

CVE-2011-4959 primarily affects Silverstripe. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4959?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-4959 published?

CVE-2011-4959 was published on 2012-09-17 and last updated on 2026-06-16.

CVE-2011-4959

CVE-2011-4959 is a medium-severity vulnerability in Silverstripe with a CVSS 2.0 base score of 6.8. 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-89.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Silverstripe
Published: 2012-09-17
Last modified: 2026-06-16

Description

SQL injection vulnerability in the addslashes method in SilverStripe 2.3.x before 2.3.12 and 2.4.x before 2.4.6, when connected to a MySQL database using far east character encodings, allows remote attackers to execute arbitrary SQL commands via unspecified vectors.

Frequently asked questions

What is CVE-2011-4959?: SQL injection vulnerability in the addslashes method in SilverStripe 2.3.x before 2.3.12 and 2.4.x before 2.4.6, when connected to a MySQL database using far east character encodings, allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
How severe is CVE-2011-4959?: CVE-2011-4959 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2011-4959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4959?: CVE-2011-4959 primarily affects Silverstripe. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4959?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4959 published?: CVE-2011-4959 was published on 2012-09-17 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:a:silverstripe:silverstripe:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.5:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.6:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.7:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.8:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.9:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.10:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.11:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.4.4:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.4.5:*:*:*:*:*:*:*

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