CVE-2018-9864 json
The WP Live Chat Support plugin before 8.0.06 for WordPress has stored XSS via the Name field.
published 2018-04-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-21456
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
The WP Live Chat Support plugin before 8.0.06 for WordPress has stored XSS via the Name field.
Patch / fix
- 3cx live_chat 8.0.06
Exploit prediction
1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- youtube.com https://www.youtube.com/watch?v=eHG1pWaez9w referenced PoC, tagged "exploit" by a source, unverified
- gubello.me https://www.gubello.me/blog/wp-live-chat-support-8-0-05-stored-xss/ 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
- Technology feeds
References
-
youtube.com
/watch?v=eHG1pWaez9w
exploit, third-party-advisory
-
gubello.me
/blog/wp-live-chat-support-8-0-05-stored-xss/
exploit, third-party-advisory
-
wordpress.org
/plugins/wp-live-chat-support/#developers
third-party-advisory
Sources
- CVE List CVE-2018-9864
- NVD CVE-2018-9864
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.