CVE-2018-17300 json
Stored XSS exists in CuppaCMS through 2018-09-03 via an administrator/#/component/table_manager/view/cu_menus section name.
published 8y ago modified 4mo ago also EUVD-2018-9055
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
Stored XSS exists in CuppaCMS through 2018-09-03 via an administrator/#/component/table_manager/view/cu_menus section name.
Patch / fix
- cuppacms cuppacms 2018-09-04
Is CVE-2018-17300 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/security-breachlock/CVE-2018-17300/blob/master/cuppa_xss.pdf referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/CuppaCMS/CuppaCMS/issues/4 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/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
/security-breachlock/CVE-2018-17300/blob/master/cuppa_xss.pdf
exploit, third-party-advisory
-
github.com
/CuppaCMS/CuppaCMS/issues/4
exploit, vendor-advisory
Sources
- CVE List CVE-2018-17300
- NVD CVE-2018-17300
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.