CVE-2018-17128 json
A Persistent XSS issue was discovered in the Visual Editor in MyBB before 1.8.19 via a Video MyCode.
published 8y ago modified 4mo ago also EUVD-2018-8906
- cvss
- 5.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 74.8%
- EPSS 74.8% chance of exploitation in 30 days, percentile 99.5%
- public exploits
- 1
- Exploit-DB
Summary
A Persistent XSS issue was discovered in the Visual Editor in MyBB before 1.8.19 via a Video MyCode.
Patch / fix
- mybb mybb 1.8.19
Is CVE-2018-17128 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerTimeline
- Published
- First public exploit (EDB-45449)
Exploit prediction
74.75% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-45449 MyBB Visual Editor 1.8.18 - Cross-Site Scripting webapps, 2018-09-24
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.4 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
exploit-db.com
/exploits/45449/
exploit, third-party-advisory, vdb-entry
-
blog.mybb.com
/2018/09/11/mybb-1-8-19-released-security-maintenance-release/
release-notes, vendor-advisory
Sources
- CVE List CVE-2018-17128
- NVD CVE-2018-17128
Fencer Intel 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.