CVE-2023-28467 json
In MyBB before 1.8.34, there is XSS in the User CP module via the user email field.
published 2023-05-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32144
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
In MyBB before 1.8.34, there is XSS in the User CP module via the user email field.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/mybb/mybb/security/advisories/GHSA-3q8x-9fh2-v646
patch, release-notes, third-party-advisory
-
mybb.com
product
Sources
- CVE List CVE-2023-28467
- NVD CVE-2023-28467
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.