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| Vulnerability ID | VCID-twf5-bzba-gqb4 |
| Aliases |
CVE-2020-15273
GHSA-wpww-4jf4-4hx8 |
| Summary | Cross-site Scripting baserCMS is vulnerable to Cross-Site Scripting. The issue affects the following components; Edit feed settings, Edit widget area, Sub site new registration, and New category registration. Arbitrary JavaScript may be executed by entering specific characters in the account that can access the file upload function category list, sub-site setting list, widget area edit, and feed list on the management screen. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 6.6 |
| Risk | 3.3 |
| Affected and Fixed Packages | Package Details |
| System | Score | Found at |
|---|---|---|
| epss | 0.00414 | https://api.first.org/data/v1/epss?cve=CVE-2020-15273 |
| cvssv3.1 | 7.3 | https://github.com/baserproject/basercms/commit/b70474ef9dcee6ad8826360884625dc7ca9041a1 |
| generic_textual | LOW | https://github.com/baserproject/basercms/commit/b70474ef9dcee6ad8826360884625dc7ca9041a1 |
| cvssv3.1 | 7.3 | https://github.com/baserproject/basercms/security/advisories/GHSA-wpww-4jf4-4hx8 |
| generic_textual | LOW | https://github.com/baserproject/basercms/security/advisories/GHSA-wpww-4jf4-4hx8 |
| cvssv3.1 | 7.3 | https://nvd.nist.gov/vuln/detail/CVE-2020-15273 |
| generic_textual | LOW | https://nvd.nist.gov/vuln/detail/CVE-2020-15273 |
| cvssv3.1 | 7.3 | https://packagist.org/packages/baserproject/basercms |
| generic_textual | LOW | https://packagist.org/packages/baserproject/basercms |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Percentile | 0.61932 |
| EPSS Score | 0.00414 |
| Published At | June 4, 2026, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2026-06-04T16:20:34.183101+00:00 | GitLab Importer | Import | https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/baserproject/basercms/CVE-2020-15273.yml | 38.6.0 |