TI-2022-21464 Aliases CVE-2022-43707

MyBB 1.8.31 has a Cross-site scripting (XSS) vulnerability in the visual MyCode editor…

LOW 28CWE-79Published 2022-11-21 · Updated 2025-04-29

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

MyBB 1.8.31 has a Cross-site scripting (XSS) vulnerability in the visual MyCode editor (SCEditor) allows remote attackers to inject HTML via user input or stored data

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00523 44th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mybb:mybb::::::::	before 1.8.32	Vulnerable	mybb

cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:* Versions before 1.8.32 Vulnerable ·mybb

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-43707

References

Patch 1

https://github.com/mybb/mybb/security/advisories/GHSA-6vpw-m83q-27px

Other 1

https://mybb.com

TI-2011-04621 myBB 1.6.4 Backdoor Arbitrary Command Execution CVSS 4.0CRITICAL 10.0
TI-2022-08548 Remote code execution in mybb CVSS 3.1HIGH 7.2
TI-2023-21959 MyBB before 1.8.36 allows Code Injection by users with certain high privileges. CVSS 3.1HIGH 7.2
TI-2022-18641 Mail settings' command parameter injection in mybb CVSS 3.1HIGH 7.2
TI-2025-21092 An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the… CVSS 3.1HIGH 7.6
TI-2025-21091 An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the… CVSS 3.1HIGH 7.6

See all 139 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences