Cross-site scripting (XSS) vulnerability in Microsoft InfoPath 2007 SP2 and SP3 and 2010 SP1, Communicator 2007 R2, Lync 2010 and 2010 Attendee, SharePoint Server 2007 SP2 and SP3 and 2010 SP1, Groove Server 2010 SP1, Windows SharePoint Services 3.0 SP2, SharePoint Foundation 2010 SP1, and Office Web Apps 2010 SP1 allows remote attackers to inject arbitrary web script or HTML via a crafted string, aka "HTML Sanitization Vulnerability."
CVE-2012-2520
NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 28%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 97.9%
- KEV
- Not listed
Published
October 9, 2012
Last Modified
April 29, 2026
References (18)
- secure@microsofthttp://www.securityfocus.com/bid/55797
- secure@microsofthttp://www.securitytracker.com/id?1027625
- secure@microsofthttp://www.securitytracker.com/id?1027626
- secure@microsofthttp://www.securitytracker.com/id?1027627
- secure@microsofthttp://www.securitytracker.com/id?1027628
- secure@microsofthttp://www.securitytracker.com/id?1027629
- secure@microsofthttp://www.us-cert.gov/cas/techalerts/TA12-283A.html
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-066
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14976
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/55797
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1027625
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1027626
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1027627
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1027628
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1027629
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 33× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
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- 2026-05-29 02:19 UTCEG score recompute
- 2026-05-29 02:19 UTCGHSA enrichment
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- 2026-05-18 21:29 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2012-2520?
CVE-2012-2520 is a none vulnerability published on October 9, 2012. Cross-site scripting (XSS) vulnerability in Microsoft InfoPath 2007 SP2 and SP3 and 2010 SP1, Communicator 2007 R2, Lync 2010 and 2010 Attendee, SharePoint Server 2007 SP2 and SP3 and 2010 SP1, Groove Server 2010 SP1, Windows SharePoint Services 3.0 SP2, SharePoint Foundation 2010 SP1, and Office…
When was CVE-2012-2520 disclosed?
CVE-2012-2520 was first published in the National Vulnerability Database on October 9, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-2520 actively exploited?
CVE-2012-2520 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-2520?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-2520, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2012-2520
Is Your Infrastructure Affected by CVE-2012-2520?
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