BetterDocs < 4.5.5 - Unauthenticated Stored XSS via AI Doc Summarizer Prompt Injection

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-11371
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-16 07:16:46 UTC
Updated2026-07-16 13:43:05 UTC
DescriptionThe BetterDocs WordPress plugin before 4.5.5 does not sanitise an AI-generated documentation summary before storing and outputting it, and the feature that generates it is exposed to unauthenticated users, allowing them to store a malicious payload via prompt injection that executes in the browser of any visitor who views the affected page, including administrators.

Risk And Classification

Primary CVSS: v3.1 6.1 MEDIUM from ADP

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

EPSS: 0.001850000 probability, percentile 0.083190000 (date 2026-07-16)

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

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown BetterDocs affected 4.0.0 4.5.5 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/db41e3db-74c2-4b94-bbff-bd1493295241 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: mcdruid (en)

CNA: WPScan (en)

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