CVE-2026-11511
Bolt CMS HTML Attribute TextType.php HTML injection
- State
- Published
- Severity
- 5.1 Medium
- Published
- Jun 8, 2026
- Updated
- Jun 8, 2026
- Reserved
- Jun 7, 2026
Description
A weakness has been identified in Bolt CMS up to 3.7.5. This vulnerability affects unknown code of the file src/Storage/Field/Type/TextType.php of the component HTML Attribute Handler. Executing a manipulation of the argument style can lead to HTML injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The GitHub repository was archived by the owner and is now read-only. This vulnerability only affects products that are no longer supported by the maintainer.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.5 Low | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 3.5 Low | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
CMSBolt |
|
References
- VDB-369131 | Bolt CMS HTML Attribute TextType.php HTML injectionvdb-entrytechnical-description
- VDB-369131 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-11511 | CVE Analysis and Reportthird-party-advisory
- Submit #836106 | bolt bolt-cms 3.7.5 Improper Neutralization of Script in Attributes in a Web Pagethird-party-advisory
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