How severe is CVE-2022-26982?

CVE-2022-26982 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-26982 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26982?

CVE-2022-26982 affects Simplemachines Simple Machines Forum. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26982?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-26982 published?

CVE-2022-26982 was published on 2022-04-05 and last updated on 2026-06-17.

CVE-2022-26982

CVE-2022-26982 is a high-severity vulnerability in Simplemachines Simple Machines Forum with a CVSS 3.x base score of 7.2. 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-94.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Simplemachines Simple Machines Forum
Published: 2022-04-05
Last modified: 2026-06-17

Description

SimpleMachinesForum 2.1.1 and earlier allows remote authenticated administrators to execute arbitrary code by inserting a vulnerable php code because the themes can be modified by an administrator. NOTE: the vendor's position is that administrators are intended to have the ability to modify themes, and can thus choose any PHP code that they wish to have executed on the server.

Frequently asked questions

What is CVE-2022-26982?: SimpleMachinesForum 2.1.1 and earlier allows remote authenticated administrators to execute arbitrary code by inserting a vulnerable php code because the themes can be modified by an administrator. NOTE: the vendor's position is that administrators are intended to have the ability to modify themes, and can thus choose any PHP code that they wish to have executed on the server.
How severe is CVE-2022-26982?: CVE-2022-26982 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-26982 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26982?: CVE-2022-26982 affects Simplemachines Simple Machines Forum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26982?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-26982 published?: CVE-2022-26982 was published on 2022-04-05 and last updated on 2026-06-17.

References

Affected products (1)

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

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CVE-2013-7466 — High (CVSS 8.8): Simple Machines Forum (SMF) 2.0.4 allows local file inclusion, with resultant remote code execution, in install.php via…
CVE-2016-5727 — High (CVSS 8.8): LogInOut.php in Simple Machines Forum (SMF) 2.1 allows remote attackers to conduct PHP object injection attacks and…
CVE-2013-7468 — High (CVSS 8.1): Simple Machines Forum (SMF) 2.0.4 allows PHP Code Injection via the index.php?action=admin;area=languages;sa=editlang…
CVE-2013-7236 — High (CVSS 7.5): Simple Machines Forum (SMF) 2.0.6, 1.1.19, and earlier allows remote attackers to impersonate arbitrary users via a…

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