CVE-2022-43708

Name: CVE-2022-43708
Creator: NVD / NIST
Published: 2022-11-22T00:15:12.007+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2022-43708 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.36%

28.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mybb	Mybb	< 1.8.32

References

https://github.com/mybb/mybb/security/advisories/GHSA-p9m7-9qv4-x93wPatch, Third Party Advisory
https://mybb.comProduct
https://github.com/mybb/mybb/security/advisories/GHSA-p9m7-9qv4-x93wPatch, Third Party Advisory
https://mybb.comProduct

Timeline

Published: Nov 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43708?

How severe is CVE-2022-43708?

CVE-2022-43708 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43708?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-43708?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST