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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.

PUBLISHED Reserved 2026-06-07 | Published 2026-06-08 | Updated 2026-06-08 | Assigner VulDB




MEDIUM: 5.1CVSS: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
LOW: 3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
LOW: 3.5CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.0AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Basic Cross Site Scripting

Injection

Product status

3.7.0
affected

3.7.1
affected

3.7.2
affected

3.7.3
affected

3.7.4
affected

3.7.5
affected

Timeline

2026-06-07:Advisory disclosed
2026-06-07:VulDB entry created
2026-06-07:VulDB entry last update

Credits

geochen (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/submit/836106 exploit

vuldb.com/vuln/369131 (VDB-369131 | Bolt CMS HTML Attribute TextType.php HTML injection) vdb-entry technical-description

vuldb.com/vuln/369131/cti (VDB-369131 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-11511 (CVE-2026-11511 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/836106 (Submit #836106 | bolt bolt-cms 3.7.5 Improper Neutralization of Script in Attributes in a Web Page) third-party-advisory

cve.org (CVE-2026-11511)

nvd.nist.gov (CVE-2026-11511)

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