How severe is CVE-2025-2583?

CVE-2025-2583 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-2583 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2583?

CVE-2025-2583 affects Simplemachines Simple Machines Forum. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2583?

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

Does CVE-2025-2583 have an EU (EUVD) identifier?

Yes. CVE-2025-2583 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7265.

When was CVE-2025-2583 published?

CVE-2025-2583 was published on 2025-03-21 and last updated on 2026-06-17.

CVE-2025-2583

CVE-2025-2583 is a low-severity vulnerability in Simplemachines Simple Machines Forum with a CVSS 3.x base score of 3.5. 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: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
CVSS v4: 5.1
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7265
Weakness: CWE-79
Affected product: Simplemachines Simple Machines Forum
Published: 2025-03-21
Last modified: 2026-06-17

Description

A vulnerability was found in SimpleMachines SMF 2.1.4. It has been classified as problematic. This affects an unknown part of the file ManageNews.php. The manipulation of the argument subject/message leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor does not declare this issue a security vulnerability due to authentication requirements before being able to access any feature in the software that allows file modification.

Frequently asked questions

What is CVE-2025-2583?: A vulnerability was found in SimpleMachines SMF 2.1.4. It has been classified as problematic. This affects an unknown part of the file ManageNews.php. The manipulation of the argument subject/message leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor does not declare this issue a security vulnerability due to authentication requirements before being able to access any feature in the software that allows file modification.
How severe is CVE-2025-2583?: CVE-2025-2583 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-2583 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2583?: CVE-2025-2583 affects Simplemachines Simple Machines Forum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2583?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-2583 have an EU (EUVD) identifier?: Yes. CVE-2025-2583 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7265.
When was CVE-2025-2583 published?: CVE-2025-2583 was published on 2025-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:simplemachines:simple_machines_forum:2.1.4:*:*:*:*:*:*:*

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