CVE-2021-42363 json
Preview E-Mails for WooCommerce <= 1.6.8 Reflected Cross-Site Scripting
published 2021-11-19 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29334
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
The Preview E-Mails for WooCommerce WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the search_order parameter found in the ~/views/form.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.6.8.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wordfence.com https://www.wordfence.com/blog/2021/11/woocommerce-extension-reflected-xss-vulnerability/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 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 |
Affected products
- Preview E-Mails for WooCommerce Preview E-Mails for WooCommerce
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset/2625941/woo-preview-emails/trunk/views/form.php
patch, third-party-advisory
-
wordfence.com
/blog/2021/11/woocommerce-extension-reflected-xss-vulnerability/
exploit, third-party-advisory
-
wordfence.com
/vulnerability-advisories/#CVE-2021-42363
third-party-advisory
Sources
- CVE List CVE-2021-42363
- NVD CVE-2021-42363
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.