CVE-2012-4950

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 1%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Cross-site scripting (XSS) vulnerability in the Keyword Search page in the web interface in Pattern Insight 2.3 allows remote attackers to inject arbitrary web script or HTML via crafted characters that are not properly handled during construction of error messages.

CVSS v3
—
EG Score
0.0(none)
EPSS
67.7%
KEV
Not listed

Published

November 18, 2012

Last Modified

April 29, 2026

References (10)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 42× 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.

  1. 2026-07-06 16:23 UTCEPSS rescore
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  1. 2026-06-19 19:22 UTCEPSS rescore
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  32. 2026-05-29 01:51 UTCEG score recompute
  33. 2026-05-29 01:51 UTCGHSA enrichment
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  54. 2026-05-18 21:29 UTCEPSS rescore
  55. 2026-05-18 21:29 UTCEPSS rescore

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Frequently asked(4)

What is CVE-2012-4950?
CVE-2012-4950 is a none vulnerability published on November 18, 2012. Cross-site scripting (XSS) vulnerability in the Keyword Search page in the web interface in Pattern Insight 2.3 allows remote attackers to inject arbitrary web script or HTML via crafted characters that are not properly handled during construction of error messages.
When was CVE-2012-4950 disclosed?
CVE-2012-4950 was first published in the National Vulnerability Database on November 18, 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-2012-4950 actively exploited?
CVE-2012-4950 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-4950?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4950, 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.

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