CVE-2012-4271

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0

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

Multiple cross-site scripting (XSS) vulnerabilities in bad-behavior-wordpress-admin.php in the Bad Behavior plugin before 2.0.47 and 2.2.x before 2.2.5 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) PATH_INFO, (2) httpbl_key, (3) httpbl_maxage, (4) httpbl_threat, (5) reverse_proxy_addresses, or (6) reverse_proxy_header parameter.

CVSS v3
—
EG Score
0.0(none)
EPSS
78.9%
KEV
Not listed

Published

August 13, 2012

Last Modified

April 29, 2026

References (8)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 41× 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. 2026-06-18 17:49 UTCEPSS rescore
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  33. 2026-05-29 03:32 UTCEG score recompute
  34. 2026-05-29 03:31 UTCGHSA enrichment
  35. 2026-05-28 13:42 UTCEPSS rescore
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  37. 2026-05-27 13:38 UTCEPSS rescore
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  54. 2026-05-20 11:21 UTCEPSS rescore
  55. 2026-05-18 21:29 UTCEPSS rescore
  56. 2026-05-18 21:29 UTCEPSS rescore

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Frequently asked(4)

What is CVE-2012-4271?
CVE-2012-4271 is a none vulnerability published on August 13, 2012. Multiple cross-site scripting (XSS) vulnerabilities in bad-behavior-wordpress-admin.php in the Bad Behavior plugin before 2.0.47 and 2.2.x before 2.2.5 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) PATHINFO, (2) httpblkey, (3) httpblmaxage, (4)…
When was CVE-2012-4271 disclosed?
CVE-2012-4271 was first published in the National Vulnerability Database on August 13, 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-2012-4271 actively exploited?
CVE-2012-4271 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-4271?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4271, 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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