Backdropcms
Backdropcms Backdrop CMS: vulnerabilities and CVEs
Backdropcms Backdrop CMS has 16 published vulnerabilities, 1 of them in the last 12 months. 1 are rated critical and 0 are listed by CISA as actively exploited.
CVEs16
Last 12 months1
Critical1
Actively exploited0
All vulnerabilities in the catalogue →⭐ Follow this technology
Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2025-63828 | Medium (6.1) | 0.21% | — | Nov 18, 2025 | Host Header Injection vulnerability in Backdrop CMS 1.32.1 allows attackers to manipulate the Host header in password reset requests, leading to redirects to malicious domains and potential session hijacking via cookie… |
| CVE-2025-44141 | Medium (6.1) | 0.21% | — | Jun 26, 2025 | A Cross-Site Scripting (XSS) vulnerability exists in the node creation form of Backdrop CMS 1.30. |
| CVE-2025-25063 | Medium (4.4) | 0.20% | — | Feb 3, 2025 | An XSS issue was discovered in Backdrop CMS 1.28.x before 1.28.5 and 1.29.x before 1.29.3. It does not sufficiently validate uploaded SVG images to ensure they do not contain potentially dangerous SVG tags. SVG images… |
| CVE-2025-25062 | Medium (4.4) | 1.7% | — | Feb 3, 2025 | An XSS issue was discovered in Backdrop CMS 1.28.x before 1.28.5 and 1.29.x before 1.29.3. It doesn't sufficiently isolate long text content when the CKEditor 5 rich text editor is used. This allows a potential attacker… |
| CVE-2024-54123 | Medium (6.1) | 0.29% | — | Nov 29, 2024 | Backdrop CMS before 1.28.4 and 1.29.x before 1.29.2 allows XSS via an SVG document, if the SVG tag is allowed for a text format. |
| CVE-2023-31045 | Medium (4.8) | 0.53% | — | Apr 24, 2023 | A stored Cross-site scripting (XSS) issue in Text Editors and Formats in Backdrop CMS before 1.24.2 allows remote attackers to inject arbitrary web script or HTML via the name parameter. When a user is editing any… |
| CVE-2022-42095 | Medium (4.8) | 2.1% | — | Nov 23, 2022 | Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Page content. |
| CVE-2022-42096 | Medium (4.8) | 2.1% | — | Nov 21, 2022 | Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via Post content. |
| CVE-2022-42092 | High (7.2) | 1.7% | — | Oct 7, 2022 | Backdrop CMS 1.22.0 has Unrestricted File Upload vulnerability via 'themes' that allows attackers to Remote Code Execution. Note: Third parties dispute this and argue that advanced permissions are required. |
| CVE-2022-34530 | Medium (5.3) | 0.62% | — | Aug 1, 2022 | An issue in the login and reset password functionality of Backdrop CMS v1.22.0 allows attackers to enumerate usernames via password reset requests and distinct responses returned based on usernames. |
| CVE-2019-19903 | Medium (4.8) | 0.55% | — | Dec 19, 2019 | An issue was discovered in Backdrop CMS 1.14.x before 1.14.2. It doesn't sufficiently filter output when displaying file type descriptions created by administrators. An attacker could potentially craft a specialized… |
| CVE-2019-19902 | High (7.2) | 1.5% | — | Dec 19, 2019 | An issue was discovered in Backdrop CMS 1.13.x before 1.13.5 and 1.14.x before 1.14.2. It allows the upload of entire-site configuration archives through the user interface or command line. It does not sufficiently… |
| CVE-2019-19901 | Medium (4.8) | 0.55% | — | Dec 19, 2019 | An issue was discovered in Backdrop CMS 1.13.x before 1.13.5 and 1.14.x before 1.14.2. It doesn't sufficiently filter output when displaying certain block descriptions created by administrators. An attacker could… |
| CVE-2019-19900 | Medium (4.8) | 0.55% | — | Dec 19, 2019 | An issue was discovered in Backdrop CMS 1.13.x before 1.13.5 and 1.14.x before 1.14.2. It doesn't sufficiently filter output when displaying content type names in the content creation interface. An attacker could… |
| CVE-2019-14771 | Critical (9.8) | 2.6% | — | Aug 8, 2019 | Backdrop CMS 1.12.x before 1.12.8 and 1.13.x before 1.13.3 allows the upload of entire-site configuration archives through the user interface or command line. It does not sufficiently check uploaded archives for invalid… |
| CVE-2018-1000813 | Medium (4.8) | 0.74% | — | Dec 20, 2018 | Backdrop CMS version 1.11.0 and earlier contains a Cross Site Scripting (XSS) vulnerability in Sanitization of custom class names used on blocks and layouts. that can result in Execution of JavaScript from an unexpected… |