CVE-2018-6550 json
Monstra CMS through 3.0.4 has XSS in the title function in plugins/box/pages/pages.plugin.php via a page title to admin/index.php.
published 2018-02-02 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18302
- cvss
- 5.4
- 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 54%
- public exploits
- 0
- none known
Summary
Monstra CMS through 3.0.4 has XSS in the title function in plugins/box/pages/pages.plugin.php via a page title to admin/index.php.
Patch / fix
Exploit prediction
0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/monstra-cms/monstra/issues/427 referenced PoC, tagged "exploit" by a source, unverified
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
-
github.com
/monstra-cms/monstra/commit/388ab412035474068758df6b07e7e06852f3747b
patch, third-party-advisory
-
github.com
/monstra-cms/monstra/issues/427
exploit, third-party-advisory
Sources
- CVE List CVE-2018-6550
- NVD CVE-2018-6550
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.