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Fencer Intel
high 7.5

CVE-2020-11976 json

Exposure of Sensitive Information to an Unauthorized Actor in Apache Wicket

published 6y ago modified 4mo ago also GHSA-64gv-3pqv-299h , EUVD-2021-0965

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

By crafting a special URL it is possible to make Wicket deliver unprocessed HTML templates. This would allow an attacker to see possibly sensitive information inside a HTML template that is usually removed during rendering. Affected are Apache Wicket versions 7.16.0, 8.8.0 and 9.0.0-M5

Patch / fix

  • maven org.apache.wicket:wicket-core 7.17.0, 8.9.0, 9.0.0
  • apache wicket 7.17.0, 8.9.0

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Exploit prediction

3.76% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/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
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.apache.wicket:wicket-core
<7.17.0
>=8.0.0, <8.9.0
>=9.0.0-M1, <9.0.0
>=9.0.0-M2, <9.0.0
>=9.0.0-M3, <9.0.0
>=9.0.0-M4, <9.0.0
>=9.0.0-M5, <9.0.0
7.17.0
8.9.0
9.0.0

Affected products

  • n/a Apache Wicket

Classification

Weakness
  • CWE-552 Files or Directories Accessible to External Parties
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

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.