CVE-2018-10121 json
plugins/box/pages/pages.admin.php in Monstra CMS 3.0.4 has a stored XSS vulnerability when an attacker has access to the editor role, and e…
published 2018-04-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-2200
- cvss
- 4.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
plugins/box/pages/pages.admin.php in Monstra CMS 3.0.4 has a stored XSS vulnerability when an attacker has access to the editor role, and enters the payload in the title section of an admin/index.php?id=pages&action=edit_page&name=error404 (aka Edit 404 page) action.
Exploit prediction
0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/monstra-cms/monstra/issues/437 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.8 | CVSS:3.0/AV:N/AC:L/PR:H/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
-
github.com
/monstra-cms/monstra/issues/437
exploit, third-party-advisory
Sources
- CVE List CVE-2018-10121
- NVD CVE-2018-10121
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.