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Fencer Intel
medium 5.9

CVE-2015-7315 json

Plone unauthorized member addition vulnerability

published 2017-09-25 9 y ago modified 2026-07-13 3 mo ago also GHSA-984m-rj28-8c6x , PYSEC-2017-52 , PYSEC-2026-2964 , EUVD-2017-0085

cvss
5.9
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Plone 3.3.0 through 3.3.6, 4.0.0 through 4.0.10, 4.1.0 through 4.1.6, 4.2.0 through 4.2.7, 4.3.0 through 4.3.6, and 5.0rc1 allows remote attackers to add a new member to a Plone site with registration enabled, without acknowledgment of site administrator.

Patch / fix

  • pypi products-cmfplone 4.3.7, 5.0rc2
  • pypi plone 4.0a1, 4.1a1, 4.2a1, 4.3.7, 4.3a1, 5.0rc2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-7315 updated cvss 6.8

plone: Unauthorized user creation

  • Red Hat Enterprise Linux 5 conga Red Hat Enterprise Linux 6 luci
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.03% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
OSV 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
pypi products-cmfplone
>=3.3.0, <4.3.7
>=5.0a1, <5.0rc2
4.3.7
5.0rc2
pypi plone
>=3.3, <=3.3.6
>=4.0a1, <=4.0.10
>=4.1a1, <=4.1.6
>=4.2a1, <=4.2.7
>=4.3a1, <=4.3.6
1 listed version
>=3.3, <4.0a1
>=4.0, <4.1a1
>=4.1, <4.2a1
>=4.2, <4.3a1
>=4.3, <4.3.7
>=5.0a1, <5.0rc2
4.0a1
4.1a1
4.2a1
4.3a1
4.3.7
5.0rc2

Classification

Weakness

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.