CVE-2019-18834 json
Persistent XSS in the WooCommerce Subscriptions plugin before 2.6.3 for WordPress allows remote attackers to execute arbitrary JavaScript b…
published 2020-07-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8536
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
Persistent XSS in the WooCommerce Subscriptions plugin before 2.6.3 for WordPress allows remote attackers to execute arbitrary JavaScript because Billing Details are mishandled in WCS_Admin_Post_Types in class-wcs-admin-post-types.php.
Patch / fix
- woocommerce subscriptions 2.6.3
Exploit prediction
1.63% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- precursorsecurity.com https://www.precursorsecurity.com/blog/woocommerce-subscriptions-persistent-xss-cve-2019-18834 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/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
-
precursorsecurity.com
/blog/woocommerce-subscriptions-persistent-xss-cve-2019-18834
exploit, third-party-advisory
-
woocommerce.com
/products/woocommerce-subscriptions/
product, vendor-advisory
-
precursorsecurity.com
/blog
third-party-advisory
Sources
- CVE List CVE-2019-18834
- NVD CVE-2019-18834
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