All vulnerabilities

Servers and applications

CVE-2022-43708

Attachment upload XSS

Severity
Medium 6.1
Published
19 Nov 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.8.32
Also known as
GHSA-p9m7-9qv4-x93w
Sources
NVD, Project advisories (GitHub)

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 software

SoftwareAffected versions
MyBBServers and applications · cpe:a:mybb:mybb
  • Every version before 1.8.32
MyBBServers and applications · github:mybb/mybb
  • Every version before 1.8.32

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-43708
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-43708
  • GitHub Advisory Database https://github.com/advisories/GHSA-p9m7-9qv4-x93w
  • github.com https://github.com/mybb/mybb/security/advisories/GHSA-p9m7-9qv4-x93w