CVE-2025-29458
highpriority · track · 0EPSS 0.004 · 38 %ileEURUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://docs.mybb.com/1.8/administration/security/protection/#limit-access-to-private-hosts-and-ip-addressescnnvd
- https://www.yuque.com/morysummer/vx41bz/qu7zyyxr84qno64ecnnvd
- https://docs.mybb.com/1.8/administration/security/protection/#limit-access-to-private-hosts-and-ip-addressesenisa_euvd
- https://www.yuque.com/morysummer/vx41bz/qu7zyyxr84qno64eenisa_euvd
- https://docs.mybb.com/1.8/administration/security/protection/#limit-access-to-private-hosts-and-ip-addressesMitigationProductnvd
- https://www.yuque.com/morysummer/vx41bz/qu7zyyxr84qno64eExploitThird Party Advisorynvd
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