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Fencer Intel
high 7.5

CVE-2018-20157 json

The data import functionality in OpenRefine through 3.1 allows an XML External Entity (XXE) attack through a crafted (zip) file, allowing a…

published 2018-12-14 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12726

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

The data import functionality in OpenRefine through 3.1 allows an XML External Entity (XXE) attack through a crafted (zip) file, allowing attackers to read arbitrary files.

Patch / fix

Exploit prediction

1.74% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/OpenRefine/OpenRefine/issues/1907 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.