How severe is CVE-2018-10100?

CVE-2018-10100 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-10100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10100?

CVE-2018-10100 primarily affects Wordpress. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-10100?

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

When was CVE-2018-10100 published?

CVE-2018-10100 was published on 2018-04-16 and last updated on 2026-06-17.

CVE-2018-10100

CVE-2018-10100 is a medium-severity vulnerability in Wordpress with a CVSS 3.x base score of 6.1. 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-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Wordpress
Published: 2018-04-16
Last modified: 2026-06-17

Description

Before WordPress 4.9.5, the redirection URL for the login page was not validated or sanitized if forced to use HTTPS.

Frequently asked questions

What is CVE-2018-10100?: Before WordPress 4.9.5, the redirection URL for the login page was not validated or sanitized if forced to use HTTPS.
How severe is CVE-2018-10100?: CVE-2018-10100 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-10100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10100?: CVE-2018-10100 primarily affects Wordpress. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-10100?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-10100 published?: CVE-2018-10100 was published on 2018-04-16 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

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