CVE-2017-18016

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 5%CVSS: 5.3Exploit: NoneExposed: 0

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

Parity Browser 1.6.10 and earlier allows remote attackers to bypass the Same Origin Policy and obtain sensitive information by requesting other websites via the Parity web proxy engine (reusing the current website's token, which is not bound to an origin).

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
91.9%
KEV
Not listed

Published

January 11, 2018

Last Modified

November 21, 2024

References (8)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 14× 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. 2026-07-22 22:07 UTCEG score recompute
  2. 2026-07-22 14:04 UTCEPSS rescore
  3. 2026-07-22 14:04 UTCEPSS rescore
  4. 2026-07-21 19:18 UTCOSV refresh
  5. 2026-07-21 15:21 UTCEPSS rescore
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  1. 2026-07-06 02:20 UTCEPSS rescore
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  3. 2026-07-04 14:56 UTCOSV refresh
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  30. 2026-06-16 02:44 UTCOSV refresh
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  49. 2026-06-01 13:49 UTCEPSS rescore
  50. 2026-05-31 00:14 UTCEPSS rescore
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  52. 2026-05-29 13:41 UTCEPSS rescore
  53. 2026-05-28 13:42 UTCEPSS rescore
  54. 2026-05-28 13:42 UTCEPSS rescore
  55. 2026-05-28 12:40 UTCEG score recompute
  56. 2026-05-28 12:40 UTCGHSA enrichment
  57. 2026-05-27 13:38 UTCEPSS rescore
  58. 2026-05-27 13:38 UTCEPSS rescore
  59. 2026-05-26 13:42 UTCEPSS rescore
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  63. 2026-05-23 14:11 UTCOSV refresh

Publicly available exploits

(1 reference)

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

  • Exploit-DBEDB-43499
    First seen Jan 10, 2018

    Parity Browser < 1.6.10 - Bypass Same Origin Policy

    Open source ↗

Frequently asked(5)

What is CVE-2017-18016?
CVE-2017-18016 is a medium vulnerability published on January 11, 2018. Parity Browser 1.6.10 and earlier allows remote attackers to bypass the Same Origin Policy and obtain sensitive information by requesting other websites via the Parity web proxy engine (reusing the current website's token, which is not bound to an origin).
When was CVE-2017-18016 disclosed?
CVE-2017-18016 was first published in the National Vulnerability Database on January 11, 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-2017-18016 actively exploited?
CVE-2017-18016 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-18016?
CVE-2017-18016 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2017-18016?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-18016, 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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