CVE-2023-46857 json
Squidex before 7.9.0 allows XSS via an SVG document to the Upload Assets feature.
published 2023-12-07 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-51023
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
Squidex before 7.9.0 allows XSS via an SVG document to the Upload Assets feature. This occurs because there is an incomplete blacklist in the SVG inspection, allowing JavaScript in the SRC attribute of an IFRAME element. An authenticated attack with assets.create permission is required for exploitation.
Patch / fix
- squidex.io squidex 7.9.0
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- census-labs.com https://census-labs.com/news/2023/11/08/weak-svg-asset-filtering-mechanism-in-squidex-cms/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
census-labs.com
/news/2023/11/08/weak-svg-asset-filtering-mechanism-in-squidex-cms/
exploit
-
support.squidex.io
/c/news/9
vendor-advisory
-
openwall.com
/lists/oss-security/2023/11/08/4
mailing-list
Sources
- CVE List CVE-2023-46857
- NVD CVE-2023-46857
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.