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Fencer Vulns
medium 6.3

CVE-2019-12203 json

Session fixation in change password form

published 2019-09-25 7 y ago modified 2026-06-17 4 mo ago also GHSA-w7r7-r8r9-vrg2 , EUVD-2019-0764

cvss
6.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

SilverStripe through 4.3.3 allows session fixation in the "change password" form.

Patch / fix

  • packagist silverstripe/framework 3.6.8, 3.7.4, 4.3.5, 4.4.4

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.3 CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 3.7 AV:L/AC:H/Au:N/C:P/I:P/A:P
GitHub 3.1 6.3 CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist silverstripe/framework
>=3.7.0, <3.7.4
>=4.4.0, <4.4.4
>=3.6.0, <3.6.8
>=4.0.0, <4.3.5
3.7.4
4.4.4
3.6.8
4.3.5

Classification

Weakness

References

Sources

Fencer Vulns 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.