How severe is CVE-2017-18510?

CVE-2017-18510 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-18510 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18510?

CVE-2017-18510 affects Wpmudev Custom Sidebars. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18510?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-18510 published?

CVE-2017-18510 was published on 2019-08-14 and last updated on 2026-06-17.

CVE-2017-18510

CVE-2017-18510 is a high-severity vulnerability in Wpmudev Custom Sidebars with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Wpmudev Custom Sidebars
Published: 2019-08-14
Last modified: 2026-06-17

Description

The custom-sidebars plugin before 3.1.0 for WordPress has CSRF related to set location, import actions, and export actions.

Frequently asked questions

What is CVE-2017-18510?: The custom-sidebars plugin before 3.1.0 for WordPress has CSRF related to set location, import actions, and export actions.
How severe is CVE-2017-18510?: CVE-2017-18510 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-18510 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18510?: CVE-2017-18510 affects Wpmudev Custom Sidebars. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18510?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-18510 published?: CVE-2017-18510 was published on 2019-08-14 and last updated on 2026-06-17.

References

https://wordpress.org/plugins/custom-sidebars/#developers

Affected products (1)

cpe:2.3:a:wpmudev:custom_sidebars:*:*:*:*:*:wordpress:*:*

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CVE-2017-18511 — High (CVSS 8.8): The custom-sidebars plugin before 3.0.8.1 for WordPress has CSRF.

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