Is CVE-2026-11511 in the CISA KEV catalog?

No. CVE-2026-11511 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-11511?

CVE-2026-11511 has a CVSS v3 base score of 3.5 (LOW).

What is the EPSS score for CVE-2026-11511?

CVE-2026-11511 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-11511?

No published fix for CVE-2026-11511 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-11511

LOW

3.5

CVSS v3

NVD

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.

CWE-74Injection CWE-80

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Other references4

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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-08.