How severe is CVE-2015-7315?

CVE-2015-7315 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2015-7315 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7315?

CVE-2015-7315 primarily affects Plone. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-7315?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-7315 published?

CVE-2015-7315 was published on 2017-09-25 and last updated on 2026-06-17.

CVE-2015-7315

CVE-2015-7315 is a medium-severity vulnerability in Plone with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Plone
Published: 2017-09-25
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2015-7315?: 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.
How severe is CVE-2015-7315?: CVE-2015-7315 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2015-7315 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7315?: CVE-2015-7315 primarily affects Plone. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-7315?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-7315 published?: CVE-2015-7315 was published on 2017-09-25 and last updated on 2026-06-17.

References

Affected products (40)

cpe:2.3:a:plone:plone:3.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.3.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.7:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.8:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.9:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.0.10:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.1.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.2.7:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:4.3.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:5.0:rc1:*:*:*:*:*:*

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