CVE-2025-29459

Name: CVE-2025-29459
Creator: NVD / NIST
Published: 2025-04-17T22:15:15.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.6/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2025-29459 is a high-severity vulnerability rated 7.6/10 on the CVSS scale. An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Mail function. NOTE: the Supplier disputes this because of the allowed actions of Board administrators and because of SSRF mitigation.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.6/10

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

EPSS Probability

0.36%

28.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Mybb	Mybb	1.8.38

References

https://docs.mybb.com/1.8/administration/security/protection/#limit-access-to-private-hosts-and-ip-addressesProduct
https://www.yuque.com/morysummer/vx41bz/ggnmg5nnu635kvrcExploit, Third Party Advisory

Timeline

Published: Apr 17, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-29459?

How severe is CVE-2025-29459?

CVE-2025-29459 has a CVSS score of 7.6/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2025-29459?

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-2025-29459?

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

Scan your code now

Source: NVD / NIST