How severe is CVE-2018-1000088?

CVE-2018-1000088 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-2018-1000088 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000088?

CVE-2018-1000088 affects Doorkeeper Project Doorkeeper. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000088?

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

When was CVE-2018-1000088 published?

CVE-2018-1000088 was published on 2018-03-13 and last updated on 2026-06-17.

CVE-2018-1000088

CVE-2018-1000088 is a medium-severity vulnerability in Doorkeeper Project Doorkeeper 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Doorkeeper Project Doorkeeper
Published: 2018-03-13
Last modified: 2026-06-17

Description

Doorkeeper version 2.1.0 through 4.2.5 contains a Cross Site Scripting (XSS) vulnerability in web view's OAuth app form, user authorization prompt web view that can result in Stored XSS on the OAuth Client's name will cause users interacting with it will execute payload. This attack appear to be exploitable via The victim must be tricked to click an opaque link to the web view that runs the XSS payload. A malicious version virtually indistinguishable from a normal link.. This vulnerability appears to have been fixed in 4.2.6, 4.3.0.

Frequently asked questions

What is CVE-2018-1000088?: Doorkeeper version 2.1.0 through 4.2.5 contains a Cross Site Scripting (XSS) vulnerability in web view's OAuth app form, user authorization prompt web view that can result in Stored XSS on the OAuth Client's name will cause users interacting with it will execute payload. This attack appear to be exploitable via The victim must be tricked to click an opaque link to the web view that runs the XSS payload. A malicious version virtually indistinguishable from a normal link.. This vulnerability appears to have been fixed in 4.2.6, 4.3.0.
How severe is CVE-2018-1000088?: CVE-2018-1000088 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-2018-1000088 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000088?: CVE-2018-1000088 affects Doorkeeper Project Doorkeeper. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000088?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1000088 published?: CVE-2018-1000088 was published on 2018-03-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:doorkeeper_project:doorkeeper:*:*:*:*:*:ruby:*:*

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