CVE-2022-43708

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: none known
Published: 2022-11-22 · updated 2026-06-17
Weakness: CWE-79

Description

MyBB 1.8.31 has a (issue 2 of 2) cross-site scripting (XSS) vulnerabilities in the post Attachments interface allow attackers to inject HTML by persuading the user to upload a file with specially crafted name

Affected products

mybb: before 1.8.32 — fixed in 1.8.32

How to fix

Upgrade to a fixed version: mybb 1.8.32. Check the vendor advisory for mitigations.

References

https://github.com/mybb/mybb/security/advisories/GHSA-p9m7-9qv4-x93w
https://mybb.com
https://github.com/mybb/mybb/security/advisories/GHSA-p9m7-9qv4-x93w
https://mybb.com

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