CVE-2020-15154 json
Cross Site Scripting in baserCMS
published 2020-08-28 6 y ago modified 2026-09-10 1 mo ago also GHSA-cpxc-67rc-c775 , EUVD-2020-0616
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) via arbitrary script execution. Admin access is required to exploit this vulnerability. The affected components are: content_fields.php, content_info.php, content_options.php, content_related.php, index_list_tree.php, jquery.bcTree.js. The issue is fixed in version 4.3.7.
Patch / fix
- packagist baserproject/basercms 4.3.7
- baserproject basercms < 4.3.7
Exploit prediction
1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N |
| NVD | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N |
| NVD | 2.0 | 2.1 | AV:N/AC:H/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | baserproject/basercms | >=4.0.0, <4.3.7 |
4.3.7 |
Affected products
- baserproject basercms
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/baserproject/basercms/security/advisories/GHSA-cpxc-67rc-c775
web, patch, third-party-advisory
-
basercms.net
/security/20200827
web, patch, vendor-advisory
-
github.com
/baserproject/basercms/commit/7f4b905b90954e394ec10dd35bad2a5dec505371
web
-
nvd.nist.gov
/vuln/detail/CVE-2020-15154
advisory
Sources
- CVE List CVE-2020-15154
- GitHub Advisory GHSA-cpxc-67rc-c775
- NVD CVE-2020-15154
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