Backdrop CMS Core 1.35.x before 1.35.2 and 1.34.x before 1.34.6 does not sufficiently validate uploaded SVG images to ensure they lack potentially dangerous SVG tags. SVG images can contain clickable links or executable scripting. By uploading a crafted SVG, it is possible to exe...
Vendor
BackdropCMS vulnerabilities
31 published CVES affecting BackdropCMS, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 31
- Critical
- 0
- High
- 4
- Medium
- 26
- Low
- 1
- Unscored
- 0
- CISA KEV
- 0
Products
- backdrop cms 13
- Backdrop 11
- backdrop core 1
- basic cart 1
- Bootstrap 5 Lite theme 1
- Bootstrap Lite theme 1
- Flag 1
- GDPR cookies module for Backdrop CMS 1
- Link iframe formatter 1
- Mail Disguise 1
- Masquerade 1
Latest BackdropCMS CVEs
Newest publication first · page 1 of 2
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MediumCVSS 5.3 EPSS 0.23%
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HighCVSS 7.5 EPSS 0.34%
Backdrop CMS Core 1.35.x before 1.35.2 and 1.34.x before 1.34.6 mishandles tokens. A token is a small placeholder string (like [node:title] or [user:name]) used to automatically insert dynamic data into text. A browser is provided for selecting tokens by type. The product doesn't...
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HighCVSS 7.8 EPSS 0.12%
Backdrop CMS 1.34 before 1.34.5 and 1.35 before 1.35.1 doesn't sufficiently protect configuration exports when delivering a compressed archive. This vulnerability is mitigated by the fact that an export must have been previously requested by someone with the "Synchronize, import,...
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LowCVSS 1.8 EPSS 0.26%
The GDPR cookies module for Backdrop CMS (before 1.x-1.3.5) doesn't sufficiently protect visitors from Cross Site Scripting (XSS) if a malicious value has been provided for the optional 'Info content' field for the YouTube service. This is mitigated by the fact that an attacker m...
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MediumCVSS 6.1 EPSS 0.23% PoC
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 injection.
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MediumCVSS 6.1 EPSS 0.22%
A Cross-Site Scripting (XSS) vulnerability exists in the node creation form of Backdrop CMS 1.30.
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MediumCVSS 6.4 EPSS 0.25%
An XSS issue was discovered in the Flag module before 1.x-3.6.2 for Backdrop CMS. Flag is a module that allows flags to be added to nodes, comments, users, and any other type of entity. It doesn't verify flag links before performing the flag action, or verify that the response re...
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MediumCVSS 6.4 EPSS 0.24%
An XSS issue was discovered in the Bootstrap Lite theme before 1.x-1.4.5 for Backdrop CMS. It doesn't sufficiently sanitize certain class names.
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MediumCVSS 6.4 EPSS 0.24%
An issue was discovered in the Mail Disguise module before 1.x-1.0.5 for Backdrop CMS. It enables a website to obfuscate email addresses, and should prevent spambots from collecting them. The module doesn't sufficiently validate the data attribute value on links, potentially lead...
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MediumCVSS 6.4 EPSS 0.24%
An XSS issue was discovered in the Link iframe formatter module before 1.x-1.1.1 for Backdrop CMS. It doesn't sufficiently sanitize input before displaying results to the screen. This vulnerability is mitigated by the fact that an attacker must have the ability to create content...
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HighCVSS 7.5 EPSS 0.30%
An issue was discovered in the Masquerade module before 1.x-1.0.1 for Backdrop CMS. It allows people to temporarily switch to another user account. The module provides a "Masquerade as admin" permission to restrict people (who can masquerade) from switching to an account with adm...
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MediumCVSS 6.4 EPSS 0.24%
An XSS issue was discovered in the Bootstrap 5 Lite theme before 1.x-1.0.3 for Backdrop CMS. It doesn't sufficiently sanitize certain class names.
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MediumCVSS 4.4 EPSS 1.7%
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 to craft specialized HTML and JavaScript that may be execute...
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MediumCVSS 4.4 EPSS 0.21%
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 can contain clickable links and executable scripting, and usin...
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MediumCVSS 6.1 EPSS 0.31%
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.
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MediumCVSS 4.8 EPSS 0.32%
Backdrop CMS before 1.27.3 and 1.28.x before 1.28.2 does not sufficiently sanitize field labels before they are displayed in certain places. This vulnerability is mitigated by the fact that an attacker must have a role with the "administer fields" permission.
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MediumCVSS 6.1 EPSS 0.57%
A vulnerability was found in backdrop-contrib Basic Cart on Drupal. It has been classified as problematic. Affected is the function basic_cart_checkout_form_submit of the file basic_cart.cart.inc. The manipulation leads to cross site scripting. It is possible to launch the attack...
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MediumCVSS 4.8 EPSS 2.2% PoC
Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Page content.
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MediumCVSS 4.8 EPSS 2.8% PoC
Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the 'Card' content.
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MediumCVSS 4.8 EPSS 0.86% PoC
Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via 'Comment.' .
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MediumCVSS 4.8 EPSS 2.2% PoC
Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via Post content.
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MediumCVSS 5.3 EPSS 0.64%
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.
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MediumCVSS 5.4 EPSS 0.62%
A stored cross-site scripting (XSS) vulnerability in the Add Link function of BackdropCMS v1.21.1 allows attackers to execute arbitrary web scripts or HTML.
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MediumCVSS 4.8 EPSS 0.55%
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 potentially craft a specialized content type name, then have an edi...
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HighCVSS 7.2 EPSS 1.5%
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 check uploaded archives for invalid data, allowing non-configurat...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.