CVE-2026-38949

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Summary

CVECVE-2026-38949
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-28 19:37:38 UTC
Updated2026-05-10 20:16:28 UTC
DescriptionCross-Site Scripting (XSS) vulnerability exists in HTMLy version 3.1.1 in the content creation functionality at the /add/content?type=image endpoint. The application fails to properly sanitize user input, allowing injection of arbitrary code

Risk And Classification

Primary CVSS: v3.1 8.9 HIGH from ADP

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

EPSS: 0.000380000 probability, percentile 0.115150000 (date 2026-05-12)

Problem Types: CWE-79 | n/a | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED8.9HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.9HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
youtu.be/3e-tzUMCox8 [email protected] youtu.be
github.com/Chittu13/cve-research/blob/main/CVE-2026-38949/README.md 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/danpros/htmly [email protected] github.com
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