What’s Vulnerable › Vulnerabilities

CVE-2025-2583: SimpleMachines SMF ManageNews.php cross site scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-03-21 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• SimpleMachines Simple Machines Forum: 2.1.4

References

• https://github.com/Fewword/Poc/blob/main/smf/smf-poc5.md
• https://github.com/Fewword/Poc/blob/main/smf/smf-poc6.md
• https://vuldb.com/?ctiid.300543
• https://vuldb.com/?id.300543
• https://vuldb.com/?submit.512001

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