How severe is CVE-2017-2123?

CVE-2017-2123 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-2017-2123 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-2017-2123?

CVE-2017-2123 affects Onethird Onethird Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2123?

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

When was CVE-2017-2123 published?

CVE-2017-2123 was published on 2017-04-28 and last updated on 2026-06-17.

CVE-2017-2123

CVE-2017-2123 is a medium-severity vulnerability in Onethird Onethird Cms 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% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Onethird Onethird Cms
Published: 2017-04-28
Last modified: 2026-06-17

Description

Cross-site scripting vulnerability in OneThird CMS v1.73 Heaven's Door and earlier allows remote attackers to inject arbitrary web script or HTML via language.php.

Frequently asked questions

What is CVE-2017-2123?: Cross-site scripting vulnerability in OneThird CMS v1.73 Heaven's Door and earlier allows remote attackers to inject arbitrary web script or HTML via language.php.
How severe is CVE-2017-2123?: CVE-2017-2123 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-2017-2123 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-2017-2123?: CVE-2017-2123 affects Onethird Onethird Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2123?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-2123 published?: CVE-2017-2123 was published on 2017-04-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:onethird:onethird_cms:*:*:*:*:*:*:*:*

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