CVE-2018-17876 json
Coaster CMS Stored Cross-site Scripting vulnerability
published 2018-10-04 8 y ago modified 2026-06-17 4 mo ago also GHSA-77cq-wgpf-g449 , EUVD-2022-2939
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
A Stored XSS vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.
Exploit prediction
1.00% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- packetstormsecurity.com http://packetstormsecurity.com/files/149647/Coaster-CMS-5.5.0-Cross-Site-Scripting.html 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 |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | web-feet/coastercms | 1 listed version |
no fix listed |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
packetstormsecurity.com
/files/149647/Coaster-CMS-5.5.0-Cross-Site-Scripting.html
web, exploit, third-party-advisory, vdb-entry
-
nvd.nist.gov
/vuln/detail/CVE-2018-17876
advisory
-
github.com
/CoasterCms/coastercms
package
Sources
- CVE List CVE-2018-17876
- GitHub Advisory GHSA-77cq-wgpf-g449
- NVD CVE-2018-17876
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.