CVE-2014-1511

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 84%
CISA-KEV: Not listedEPSS: 84%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allow remote attackers to bypass the popup blocker via unspecified vectors.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
99.7%
KEV
Not listed

Published

March 19, 2014

Last Modified

May 6, 2026

Advisory Details (4)

Auto-updated May 7, 2026
No patch confirmed yet.
generic

[SECURITY] [DSA 2911-1] icedove security update

http://www.debian.org/security/2014/dsa-2911
generic

[SECURITY] [DSA 2881-1] iceweasel security update

http://www.debian.org/security/2014/dsa-2881
generic
http://rhn.redhat.com/errata/RHSA-2014-0316.html
generic
http://rhn.redhat.com/errata/RHSA-2014-0310.html

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuthunderbird (1:24.4.0+build1-0ubuntu0.13.10.2) @ saucy2026-05-20ubuntu
ubuntufirefox (28.0+build2-0ubuntu0.13.10.1) @ saucy2026-05-20ubuntu
redhatthunderbird-0:24.4.0-1.el6_52014-03-19redhat
redhatfirefox-0:24.4.0-1.el6_52014-03-18redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 2× in last 7d / 22× 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. 2026-07-04 06:27 UTCEPSS rescore
  2. 2026-07-01 15:02 UTCEPSS rescore
  3. 2026-06-29 14:02 UTCEPSS rescore
  4. 2026-06-28 14:03 UTCEPSS rescore
  5. 2026-06-28 04:53 UTCEPSS rescore
  6. 2026-06-28 04:53 UTCEPSS rescore
  7. 2026-06-25 13:47 UTCEPSS rescore
  8. 2026-06-25 13:47 UTCEPSS rescore
  9. 2026-06-23 21:30 UTCEPSS rescore
  10. 2026-06-23 21:30 UTCEPSS rescore
  11. 2026-06-21 14:53 UTCEPSS rescore
  12. 2026-06-18 17:49 UTCEPSS rescore
  13. 2026-06-18 17:49 UTCEPSS rescore
  14. 2026-06-17 17:49 UTCEPSS rescore
  15. 2026-06-17 17:49 UTCEPSS rescore
  16. 2026-06-15 17:44 UTCEPSS rescore
  17. 2026-06-14 23:14 UTCEPSS rescore
  18. 2026-06-13 22:57 UTCEPSS rescore
  19. 2026-06-12 23:08 UTCEPSS rescore
  20. 2026-06-11 13:56 UTCEPSS rescore
  21. 2026-06-10 22:15 UTCEPSS rescore
  22. 2026-06-08 14:14 UTCEPSS rescore
  23. 2026-06-06 13:45 UTCEPSS rescore
  24. 2026-06-06 13:45 UTCEPSS rescore
  25. 2026-06-05 22:44 UTCEPSS rescore
Show 51 more
  1. 2026-06-05 22:44 UTCEPSS rescore
  2. 2026-06-05 06:08 UTCEPSS rescore
  3. 2026-06-05 06:08 UTCEPSS rescore
  4. 2026-06-02 20:10 UTCEPSS rescore
  5. 2026-06-02 20:10 UTCEPSS rescore
  6. 2026-06-01 13:49 UTCEPSS rescore
  7. 2026-06-01 13:49 UTCEPSS rescore
  8. 2026-05-31 00:14 UTCEPSS rescore
  9. 2026-05-31 00:14 UTCEPSS rescore
  10. 2026-05-29 13:41 UTCEPSS rescore
  11. 2026-05-29 13:41 UTCEPSS rescore
  12. 2026-05-27 13:38 UTCEPSS rescore
  13. 2026-05-27 13:38 UTCEPSS rescore
  14. 2026-05-22 21:15 UTCEPSS rescore
  15. 2026-05-22 21:15 UTCEPSS rescore
  16. 2026-05-22 21:15 UTCEPSS rescore
  17. 2026-05-21 22:39 UTCEPSS rescore
  18. 2026-05-20 22:37 UTCEPSS rescore
  19. 2026-05-20 22:37 UTCEPSS rescore
  20. 2026-05-20 10:25 UTCEG score recompute
  21. 2026-05-20 10:25 UTCVendor advisory
  22. 2026-05-20 10:25 UTCGHSA enrichment
  23. 2026-05-20 06:44 UTCEG score recompute
  24. 2026-05-20 06:44 UTCVendor advisory
  25. 2026-05-20 06:44 UTCGHSA enrichment
  26. 2026-05-20 03:04 UTCEG score recompute
  27. 2026-05-20 03:04 UTCVendor advisory
  28. 2026-05-20 03:04 UTCGHSA enrichment
  29. 2026-05-19 23:23 UTCEG score recompute
  30. 2026-05-19 23:23 UTCVendor advisory
  31. 2026-05-19 23:23 UTCGHSA enrichment
  32. 2026-05-19 19:41 UTCEG score recompute
  33. 2026-05-19 19:41 UTCVendor advisory
  34. 2026-05-19 19:41 UTCGHSA enrichment
  35. 2026-05-19 16:00 UTCEG score recompute
  36. 2026-05-19 16:00 UTCVendor advisory
  37. 2026-05-19 16:00 UTCGHSA enrichment
  38. 2026-05-19 12:07 UTCEG score recompute
  39. 2026-05-19 12:07 UTCVendor advisory
  40. 2026-05-19 12:07 UTCGHSA enrichment
  41. 2026-05-19 08:13 UTCEG score recompute
  42. 2026-05-19 08:13 UTCVendor advisory
  43. 2026-05-19 08:13 UTCGHSA enrichment
  44. 2026-05-19 04:32 UTCEG score recompute
  45. 2026-05-19 04:32 UTCVendor advisory
  46. 2026-05-19 04:32 UTCGHSA enrichment
  47. 2026-05-19 00:51 UTCEG score recompute
  48. 2026-05-19 00:51 UTCVendor advisory
  49. 2026-05-19 00:51 UTCGHSA enrichment
  50. 2026-05-18 21:29 UTCEPSS rescore
  51. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-34448✓ verified
    First seen Aug 28, 2014

    Mozilla Firefox - WebIDL Privileged JavaScript Injection (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/browser/firefox_webidl_injection✓ verified
    First seen Mar 17, 2014

    Firefox WebIDL Privileged Javascript Injection

    Open source ↗

Frequently asked(5)

What is CVE-2014-1511?
CVE-2014-1511 is a critical vulnerability published on March 19, 2014. Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allow remote attackers to bypass the popup blocker via unspecified vectors.
When was CVE-2014-1511 disclosed?
CVE-2014-1511 was first published in the National Vulnerability Database on March 19, 2014, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2014-1511 actively exploited?
CVE-2014-1511 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2014-1511?
CVE-2014-1511 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2014-1511?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-1511, 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

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