CVE-2018-14840 EXPLOIT
6.1
MEDIUM · CVSS 3.0 · EPSS 3.7% (pctl 89)
Patch early
A public exploit exists.
Description
uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).
Scoring
| CVSS | 6.1 (MEDIUM, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 3.67% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-08-02 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| intelliants | subrion |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Subrion CMS 4.2.1 - Cross-Site Scripting | 2018-08-06 |
References
- https://github.com/intelliants/subrion/commit/cb10ac2294cb2c3a6d2159f9a2bb8c58a2a10a47
- https://github.com/intelliants/subrion/issues/773
- https://www.exploit-db.com/exploits/45150/
- https://github.com/intelliants/subrion/commit/cb10ac2294cb2c3a6d2159f9a2bb8c58a2a10a47
- https://github.com/intelliants/subrion/issues/773
- https://www.exploit-db.com/exploits/45150/
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