How severe is CVE-2011-4958?

CVE-2011-4958 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-4958 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4958?

CVE-2011-4958 primarily affects Silverstripe. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4958?

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

When was CVE-2011-4958 published?

CVE-2011-4958 was published on 2014-04-08 and last updated on 2026-06-16.

CVE-2011-4958

CVE-2011-4958 is a medium-severity vulnerability in Silverstripe with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Silverstripe
Published: 2014-04-08
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the process function in SSViewer.php in SilverStripe before 2.3.13 and 2.4.x before 2.4.6 allows remote attackers to inject arbitrary web script or HTML via the QUERY_STRING to template placeholders, as demonstrated by a request to (1) admin/reports/, (2) admin/comments/, (3) admin/, (4) admin/show/, (5) admin/assets/, and (6) admin/security/.

Frequently asked questions

What is CVE-2011-4958?: Cross-site scripting (XSS) vulnerability in the process function in SSViewer.php in SilverStripe before 2.3.13 and 2.4.x before 2.4.6 allows remote attackers to inject arbitrary web script or HTML via the QUERY_STRING to template placeholders, as demonstrated by a request to (1) admin/reports/, (2) admin/comments/, (3) admin/, (4) admin/show/, (5) admin/assets/, and (6) admin/security/.
How severe is CVE-2011-4958?: CVE-2011-4958 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-4958 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4958?: CVE-2011-4958 primarily affects Silverstripe. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4958?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4958 published?: CVE-2011-4958 was published on 2014-04-08 and last updated on 2026-06-16.

References

Affected products (24)

cpe:2.3:a:silverstripe:silverstripe:*:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.0:rc1:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.0:rc2:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.0:rc3:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.1:rc1:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:2.3.1:rc2:*:*:*:*:*:*
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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