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CVE Record

CVE-2012-1872: Cross-site scripting (XSS) vulnerability in Microsoft Internet Explorer 6 through 9 allows remote attackers...

Cross-site scripting (XSS) vulnerability in Microsoft Internet Explorer 6 through 9 allows remote attackers to inject arbitrary web script or HTML via crafted character sequences with EUC-JP encoding, aka "EUC-JP Character Encoding Vulnerability."

MediumCVSS 6.1Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2012-1872 is an XSS flaw in Microsoft Internet Explorer 6 through 9. A malicious page using crafted EUC-JP character sequences could run script or HTML in a user’s browser. It requires user interaction and mainly matters where legacy Internet Explorer remains in use.

Executive priority

Confirm exposure rather than assume it is gone. If IE 6-9 is absent, urgency is low. If legacy IE is still used, prioritize remediation because user-driven web content can affect data confidentiality and page integrity.

Technical view

The vulnerability is CWE-79 in Internet Explorer 6-9 character encoding handling for EUC-JP. CVSS 3.1 is 6.1: network reachable, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.

Likely exposure

Exposure is most likely in legacy desktops, kiosks, VDI images, or business applications still requiring Internet Explorer 6 through 9. The bundle’s structured affected-product field is incomplete, but the CVE description explicitly names IE 6-9.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. Exploitation would require a user to browse to or receive content containing crafted EUC-JP sequences. Treat exploit status as unconfirmed from this bundle.

Researcher notes

The strongest evidence in the bundle is the CVE description, CVSS vector, Microsoft bulletin reference, and OVAL signature reference. Affected-product metadata is incomplete, so avoid expanding scope beyond Internet Explorer 6 through 9 without vendor evidence.

Mitigation direction

  • Identify and remove Internet Explorer 6 through 9 from active use where possible.
  • Review Microsoft MS12-037 and apply the vendor-recommended security update path.
  • Move legacy workflows to supported browsers or isolated compatibility environments.
  • Restrict access to untrusted web content from systems that still require legacy IE.
  • Document any remaining legacy-browser exception and compensating controls.

Validation and detection

  • Inventory endpoints and images for Internet Explorer 6 through 9 presence.
  • Check patch/compliance status against Microsoft MS12-037 guidance.
  • Use the referenced OVAL definition where supported by your scanner.
  • Confirm whether any business application still launches legacy IE rendering.
  • Verify exception hosts have network restrictions and user-risk controls.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2012-1872 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.1CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.1Medium
CVSS 3.1 vector shape for CVE-2012-1872Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.