CVE-2018-6591

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 50% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.3Exploit: NoneExposed: 0

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

Converse.js and Inverse.js through 3.3 allow remote attackers to obtain sensitive information because it is too difficult to determine whether safe publication of private data was configured or even intended. For example, users might have an expectation that chatroom bookmarks are private, but the various interacting software components do not necessarily make that happen.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
62.1%
KEV
Not listed

Published

February 19, 2018

Last Modified

November 21, 2024

References (2)

Affected Packages

(2 across 2 ecosystems)
npm(1)
PackageVulnerable rangeFixed inDependents
converse.js—3.3.3—
Packagist(1)
PackageVulnerable rangeFixed inDependents
jcbrand/converse.js3.2.0-rc ... v3.3.1 (14 versions)3.3.3—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 46× 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. 2026-07-16 16:59 UTCEPSS rescore
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  3. 2026-07-15 16:55 UTCEPSS rescore
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  16. 2026-07-05 02:27 UTCEPSS rescore
  17. 2026-07-04 13:26 UTCOSV refresh
  18. 2026-07-04 06:28 UTCEPSS rescore
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  1. 2026-06-28 04:53 UTCEPSS rescore
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  24. 2026-06-16 00:43 UTCOSV refresh
  25. 2026-06-15 17:45 UTCEPSS rescore
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  43. 2026-06-04 13:10 UTCEPSS rescore
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  45. 2026-06-02 20:11 UTCEPSS rescore
  46. 2026-06-01 13:50 UTCEPSS rescore
  47. 2026-05-31 22:29 UTCEPSS rescore
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  49. 2026-05-31 00:14 UTCEPSS rescore
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  51. 2026-05-29 13:41 UTCEPSS rescore
  52. 2026-05-28 13:43 UTCEPSS rescore
  53. 2026-05-28 13:42 UTCEPSS rescore
  54. 2026-05-28 11:15 UTCEG score recompute
  55. 2026-05-27 13:38 UTCEPSS rescore
  56. 2026-05-26 13:42 UTCEPSS rescore
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  58. 2026-05-26 07:17 UTCEPSS rescore
  59. 2026-05-26 07:17 UTCEPSS rescore
  60. 2026-05-23 02:35 UTCOSV refresh

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-6591?
CVE-2018-6591 is a medium vulnerability published on February 19, 2018. Converse.js and Inverse.js through 3.3 allow remote attackers to obtain sensitive information because it is too difficult to determine whether safe publication of private data was configured or even intended. For example, users might have an expectation that chatroom bookmarks are private, but the…
When was CVE-2018-6591 disclosed?
CVE-2018-6591 was first published in the National Vulnerability Database on February 19, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-6591 actively exploited?
CVE-2018-6591 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 62.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-6591?
CVE-2018-6591 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2018-6591?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-6591, 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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