How severe is CVE-2008-6657?

CVE-2008-6657 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2008-6657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-6657?

CVE-2008-6657 primarily affects Simple Machines Simple Machines Forum. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-6657?

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

When was CVE-2008-6657 published?

CVE-2008-6657 was published on 2009-04-07 and last updated on 2026-06-16.

CVE-2008-6657

CVE-2008-6657 is a medium-severity vulnerability in Simple Machines Simple Machines Forum with a CVSS 2.0 base score of 6.8. 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-352.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Simple Machines Simple Machines Forum
Published: 2009-04-07
Last modified: 2026-06-16

Description

Cross-site request forgery (CSRF) vulnerability in index.php in Simple Machines Forum (SMF) 1.0 before 1.0.15 and 1.1 before 1.1.7 allows remote attackers to hijack the authentication of admins for requests that install packages via the package parameter in an install2 action.

Frequently asked questions

What is CVE-2008-6657?: Cross-site request forgery (CSRF) vulnerability in index.php in Simple Machines Forum (SMF) 1.0 before 1.0.15 and 1.1 before 1.1.7 allows remote attackers to hijack the authentication of admins for requests that install packages via the package parameter in an install2 action.
How severe is CVE-2008-6657?: CVE-2008-6657 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2008-6657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6657?: CVE-2008-6657 primarily affects Simple Machines Simple Machines Forum. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-6657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-6657 published?: CVE-2008-6657 was published on 2009-04-07 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:simple_machines:simple_machines_forum:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.0.7:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.0.11:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.0.12:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.1.4:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.1.5:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.1.6:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc1:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc2:*:*:*:*:*:*:*
cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc3:*:*:*:*:*:*:*

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