How severe is CVE-2018-15583?

CVE-2018-15583 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-2018-15583 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15583?

CVE-2018-15583 affects Sir Gnuboard. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15583?

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

When was CVE-2018-15583 published?

CVE-2018-15583 was published on 2019-03-25 and last updated on 2026-06-17.

CVE-2018-15583

CVE-2018-15583 is a medium-severity vulnerability in Sir Gnuboard 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% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sir Gnuboard
Published: 2019-03-25
Last modified: 2026-06-17

Description

Cross-Site Scripting (XSS) vulnerability in point_list.php in GNUBOARD5 before 5.3.1.6 allows remote attackers to inject arbitrary web script or HTML via the popup title parameter.

Frequently asked questions

What is CVE-2018-15583?: Cross-Site Scripting (XSS) vulnerability in point_list.php in GNUBOARD5 before 5.3.1.6 allows remote attackers to inject arbitrary web script or HTML via the popup title parameter.
How severe is CVE-2018-15583?: CVE-2018-15583 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-2018-15583 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15583?: CVE-2018-15583 affects Sir Gnuboard. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15583?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-15583 published?: CVE-2018-15583 was published on 2019-03-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sir:gnuboard:*:*:*:*:*:*:*:*

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