CVE-2019-12823 json
Craft CMS XSS Vulnerability
published 2019-06-18 7 y ago modified 2026-06-17 4 mo ago also GHSA-w5q4-q7wp-qww6 , EUVD-2022-5504
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
Craft CMS before 3.1.31 does not properly filter XML feeds and thus allowing XSS.
Patch / fix
Exploit prediction
0.94% chance of exploitation in the next 30 days, higher than 61% 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 | craftcms/cms | <3.1.31 |
3.1.31 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/craftcms/cms/commit/6432eca59b93bcea2ca2616199e5d419447e613f
web, patch, third-party-advisory
-
github.com
/craftcms/cms/blob/master/CHANGELOG-v3.md
release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-12823
advisory
-
github.com
/craftcms/cms
package
-
github.com
/craftcms/cms/blob/6432eca59b93bcea2ca2616199e5d419447e613f/CHANGELOG-v3.md
web
Sources
- CVE List CVE-2019-12823
- GitHub Advisory GHSA-w5q4-q7wp-qww6
- NVD CVE-2019-12823
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.