CVE-2012-1858 : The toStaticHTML API (aka the SafeHTML component) in Microsoft Internet Explorer 8 and 9, Communicator 2007 R2, and Lync

The toStaticHTML API (aka the SafeHTML component) in Microsoft Internet Explorer 8 and 9, Communicator 2007 R2, and Lync 2010 and 2010 Attendee does not properly handle event attributes and script, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted HTML document, aka "HTML Sanitization Vulnerability."

Published 2012-06-12 22:55:02

Updated 2023-12-07 18:38:57

Source Microsoft Corporation

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)Information leak

Threat overview for CVE-2012-1858

Top countries where our scanners detected CVE-2012-1858

Top open port discovered on systems with this issue 443

IPs affected by CVE-2012-1858 111

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2012-1858!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2012-1858

Probability of exploitation activity in the next 30 days: 96.43%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2012-1858

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:P/I:N/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None

CWE ids for CVE-2012-1858

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2012-1858

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-050

Microsoft Security Bulletin MS12-050 - Important | Microsoft Docs

CVEs referencing this url
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15530

Repository / Oval Repository
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039

Microsoft Security Bulletin MS12-039 - Important | Microsoft Docs

CVEs referencing this url
http://www.us-cert.gov/cas/techalerts/TA12-164A.html

Microsoft Updates for Multiple Vulnerabilities | CISA
US Government Resource

CVEs referencing this url
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037

Microsoft Security Bulletin MS12-037 - Critical | Microsoft Docs

CVEs referencing this url
http://www.us-cert.gov/cas/techalerts/TA12-192A.html

Microsoft Updates for Multiple Vulnerabilities | CISA
US Government Resource

CVEs referencing this url

Products affected by CVE-2012-1858