How severe is CVE-2013-4395?

CVE-2013-4395 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-2013-4395 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4395?

CVE-2013-4395 affects Simplemachines Simple Machines Forum. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4395?

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

When was CVE-2013-4395 published?

CVE-2013-4395 was published on 2020-02-12 and last updated on 2026-06-16.

CVE-2013-4395

CVE-2013-4395 is a medium-severity vulnerability in Simplemachines Simple Machines Forum 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% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Simplemachines Simple Machines Forum
Published: 2020-02-12
Last modified: 2026-06-16

Description

Simple Machines Forum (SMF) through 2.0.5 has XSS

Frequently asked questions

What is CVE-2013-4395?: Simple Machines Forum (SMF) through 2.0.5 has XSS
How severe is CVE-2013-4395?: CVE-2013-4395 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-2013-4395 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4395?: CVE-2013-4395 affects Simplemachines Simple Machines Forum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4395?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4395 published?: CVE-2013-4395 was published on 2020-02-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:simplemachines:simple_machines_forum:*:*:*:*:*:*:*:*

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