VulnerabilityModified
CVE-2018-11227
Monstra CMS 3.0.4 and earlier has XSS via index.php.
MEDIUM 6.1EPSS 4.73%
Does this matter?
Lower severity and a low EPSS score (4.73%). Track it; it rarely justifies an emergency change on its own.
Description
Monstra CMS 3.0.4 and earlier has XSS via index.php.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 4.73% probability · 92th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- monstra/monstra cms
- Source
- cve@mitre.org
EPSS moved from 5.9% on 21 September 2026 to 4.7% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://github.com/monstra-cms/monstra/issuesThird Party Advisory
- https://github.com/monstra-cms/monstra/issues/438Third Party Advisory
- https://www.exploit-db.com/exploits/44646Exploit, Third Party Advisory, VDB Entry
- https://github.com/monstra-cms/monstra/issuesThird Party Advisory
- https://github.com/monstra-cms/monstra/issues/438Third Party Advisory
- https://www.exploit-db.com/exploits/44646Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.