CVE-2018-12266 json
system\errors\404.php in HongCMS 3.0.0 has XSS via crafted input that triggers a 404 HTTP status code.
published 8y ago modified 4mo ago also EUVD-2018-4242
- cvss
- 6.1
- 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 53%
- public exploits
- 0
- none known
Summary
system\errors\404.php in HongCMS 3.0.0 has XSS via crafted input that triggers a 404 HTTP status code.
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0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/lzlzh2016/CVE/blob/master/XSS.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/lzlzh2016/CVE/blob/master/XSS.md
exploit, third-party-advisory
Sources
- CVE List CVE-2018-12266
- NVD CVE-2018-12266
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.