Vulnerability · Published Jun 8, 2026 · Assigned by VulDB
CVE-2026-11511Bolt CMS HTML Attribute TextType.php HTML injection
Low 3.5
In plain English
A low-severity injection in CMS from Bolt. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-80, CWE-74 · Vector: 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
References
- VDB-369131 | Bolt CMS HTML Attribute TextType.php HTML injection vdb-entry, technical-description
- VDB-369131 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-11511 | CVE Analysis and Report third-party-advisory
- Submit #836106 | bolt bolt-cms 3.7.5 Improper Neutralization of Script in Attributes in a Web Page third-party-advisory