CVE-2019-15827 json
The onesignal-free-web-push-notifications plugin before 1.17.8 for WordPress has XSS via the subdomain parameter.
published 2019-08-30 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-6744
- cvss
- 5.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
The onesignal-free-web-push-notifications plugin before 1.17.8 for WordPress has XSS via the subdomain parameter.
Exploit prediction
1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5530.php referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.4 | CVSS:3.0/AV:N/AC:L/PR:L/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
- Technology feeds
References
-
zeroscience.mk
/en/vulnerabilities/ZSL-2019-5530.php
exploit, third-party-advisory
-
wpvulndb.com
/vulnerabilities/9478
third-party-advisory
-
wordpress.org
/plugins/onesignal-free-web-push-notifications/#developers
product, third-party-advisory
Sources
- CVE List CVE-2019-15827
- NVD CVE-2019-15827
Fencer Vulns 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.