How severe is CVE-2011-1252?

CVE-2011-1252 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2011-1252 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1252?

CVE-2011-1252 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1252?

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

When was CVE-2011-1252 published?

CVE-2011-1252 was published on 2011-06-16 and last updated on 2026-06-16.

CVE-2011-1252

CVE-2011-1252 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Internet Explorer
Published: 2011-06-16
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the SafeHTML function in the toStaticHTML API in Microsoft Internet Explorer 7 and 8, Office SharePoint Server 2007 SP2, Office SharePoint Server 2010 Gold and SP1, Groove Server 2010 Gold and SP1, Windows SharePoint Services 3.0 SP2, and SharePoint Foundation 2010 Gold and SP1 allows remote attackers to inject arbitrary web script or HTML via unspecified strings, aka "toStaticHTML Information Disclosure Vulnerability" or "HTML Sanitization Vulnerability."

Frequently asked questions

What is CVE-2011-1252?: Cross-site scripting (XSS) vulnerability in the SafeHTML function in the toStaticHTML API in Microsoft Internet Explorer 7 and 8, Office SharePoint Server 2007 SP2, Office SharePoint Server 2010 Gold and SP1, Groove Server 2010 Gold and SP1, Windows SharePoint Services 3.0 SP2, and SharePoint Foundation 2010 Gold and SP1 allows remote attackers to inject arbitrary web script or HTML via unspecified strings, aka "toStaticHTML Information Disclosure Vulnerability" or "HTML Sanitization Vulnerability."
How severe is CVE-2011-1252?: CVE-2011-1252 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2011-1252 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1252?: CVE-2011-1252 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1252?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1252 published?: CVE-2011-1252 was published on 2011-06-16 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*

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