CVE-2025-29458

7.6 highEPSS 0.4%

High (7.6) in mybb mybb. EPSS 0.4% chance of exploitation in the next 30 days.

An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Change Avatar function. NOTE: the Supplier disputes this because of the allowed actions of Board administrators and because of SSRF mitigation.

Severity

CVSS 3.1

7.6 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2025-04-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mybb:mybb

References

https://docs.mybb.com/1.8/administration/security/protection/#limit-access-to-private-hosts-and-ip-addresses
https://www.yuque.com/morysummer/vx41bz/qu7zyyxr84qno64e

Check your stack JSON