How severe is CVE-2017-1000457?

CVE-2017-1000457 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-1000457 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000457?

CVE-2017-1000457 affects Mojoportal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-1000457?

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

When was CVE-2017-1000457 published?

CVE-2017-1000457 was published on 2018-01-02 and last updated on 2026-06-17.

CVE-2017-1000457

CVE-2017-1000457 is a medium-severity vulnerability in Mojoportal with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mojoportal
Published: 2018-01-02
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in Help.aspx in mojoPortal version 2.5.0.0 allows remote attackers to inject arbitrary web script or HTML via the helpkey parameter. Exploitation requires authenticated reflected cross-site scripting for user accounts assigned either the "Administrators" or "Content Administrators" role.

Frequently asked questions

What is CVE-2017-1000457?: Cross-site scripting (XSS) vulnerability in Help.aspx in mojoPortal version 2.5.0.0 allows remote attackers to inject arbitrary web script or HTML via the helpkey parameter. Exploitation requires authenticated reflected cross-site scripting for user accounts assigned either the "Administrators" or "Content Administrators" role.
How severe is CVE-2017-1000457?: CVE-2017-1000457 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-1000457 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000457?: CVE-2017-1000457 affects Mojoportal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-1000457?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-1000457 published?: CVE-2017-1000457 was published on 2018-01-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mojoportal:mojoportal:2.5.0.0:*:*:*:*:*:*:*

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