How severe is CVE-2017-11594?

CVE-2017-11594 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-11594 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11594?

CVE-2017-11594 primarily affects Loomio. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-11594?

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

When was CVE-2017-11594 published?

CVE-2017-11594 was published on 2017-07-24 and last updated on 2026-06-17.

CVE-2017-11594

CVE-2017-11594 is a medium-severity vulnerability in Loomio with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Loomio
Published: 2017-07-24
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the Markdown parser in Loomio before 1.8.0 allows remote attackers to inject arbitrary web script or HTML via non-sanitized Markdown content in a new thread or a thread comment.

Frequently asked questions

What is CVE-2017-11594?: Cross-site scripting (XSS) vulnerability in the Markdown parser in Loomio before 1.8.0 allows remote attackers to inject arbitrary web script or HTML via non-sanitized Markdown content in a new thread or a thread comment.
How severe is CVE-2017-11594?: CVE-2017-11594 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-11594 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11594?: CVE-2017-11594 primarily affects Loomio. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-11594?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-11594 published?: CVE-2017-11594 was published on 2017-07-24 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:loomio:loomio:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:loomio:loomio:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:loomio:loomio:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:loomio:loomio:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:loomio:loomio:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:loomio:loomio:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:loomio:loomio:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:loomio:loomio:1.7.0:*:*:*:*:*:*:*

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