5.3

CVE-2017-18016: parity browser Origin Validation Error

CVSS: 5.3v3.0MediumModified
Published 11-01-2018Last modified 05-08-2024

Vulnerability summary

CVE-2017-18016 is a medium (CVSS 5.3) Origin Validation Error vulnerability in parity browser. EPSS estimates a 5.48% chance of exploitation in the next 30 days, higher than 92.7% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
5.48%
0%100%
Low · +0.32 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3github, reference, exploit-database

Timeline

  1. 11-01-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

5.48%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

+0.32 pp

From 5.16% on 21-09-2026

21-09-202621-10-2026
EPSS score
5.48%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • githubUnverified

    Pub

    Maturity: poc

  • referenceUnverified

    Exploit Reference (openwall.com)

    Maturity: unknown

  • exploit-databaselocalmultipleUnverified

    Parity Browser < 1.6.10 - Bypass Same Origin Policy

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Parity1 product

1 vendor · 1 product

References

4 links