CVE-2021-3841 json
Stored Cross-site Scripting (XSS) in sylius/sylius
published last yr. modified 4mo ago also GHSA-hhvr-2q69-4563 , EUVD-2024-3263
- cvss
- 4.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
Summary
sylius/sylius versions prior to 1.9.10, 1.10.11, and 1.11.2 are vulnerable to stored cross-site scripting (XSS) through SVG files. This vulnerability allows attackers to inject malicious scripts that can be executed in the context of the user's browser.
Patch / fix
- packagist sylius/sylius 1.9.10, 1.10.11, 1.11.2
- sylius sylius/sylius 1.9.10, 1.10.11, 1.11.2
Is CVE-2021-3841 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.1 | CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.0 | 4.1 | CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | sylius/sylius | <1.9.10 >=1.10.0, <1.10.11 >=1.11.0, <1.11.2 |
1.9.10 1.10.11 1.11.2 |
Affected products
- sylius sylius/sylius
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/sylius/sylius/commit/3da169e0c23e752974d74223cc536c29a2a82edc
web, patch
-
huntr.com
/bounties/1625506791178-Sylius/Sylius
web, broken-link
-
nvd.nist.gov
/vuln/detail/CVE-2021-3841
advisory
-
github.com
/sylius/sylius
package
Sources
- CVE List CVE-2021-3841
- GitHub Advisory GHSA-hhvr-2q69-4563
- NVD CVE-2021-3841
Fencer Intel 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.