CVE-2019-8233 json
Composer JavaScript injection possible via html comments
published 2019-11-05 7 y ago modified 2026-06-17 4 mo ago also GHSA-fm68-89m8-4gjj , EUVD-2019-0746
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
In Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1, an unauthenticated user can inject arbitrary JavaScript code as a result of the sanitization engine ignoring HTML comments.
Patch / fix
- packagist magento/community-edition 2.2.10, 2.3.3
- magento magento 2.2.10, 2.3.2
Exploit prediction
0.74% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
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 |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | magento/community-edition | >=2.2, <2.2.10 >=2.3, <2.3.3 |
2.2.10 2.3.3 |
Affected products
- Adobe Systems Incorporated Magento 2
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
magento.com
/security/patches/magento-2.3.3-and-2.2.10-security-update
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-8233
advisory
-
github.com
/magento/magento2
package
Sources
- CVE List CVE-2019-8233
- GitHub Advisory GHSA-fm68-89m8-4gjj
- NVD CVE-2019-8233
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.