Spam protection, Honeypot, Anti-Spam by CleanTalk < 6.79 - Unauthenticated Stored XSS via Comment Shortcode Bypass

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-8071
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-10 07:16:25 UTC
Updated2026-06-10 11:17:03 UTC
DescriptionThe Anti-Spam by CleanTalk. Spam protection WordPress plugin before 6.79 does not properly sanitize content within a custom shortcode used in its email-encoding feature, allowing unauthenticated attackers to inject arbitrary web scripts into approved comments that will execute when any user (including administrators) views the post.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from ADP

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

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
3.1ADPDECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Anti-Spam By CleanTalk. Spam Protection affected 6.79 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/0d4635b5-2d79-4337-a1ad-6b8d02cfd64b [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: Matthew Rollings (en)

CNA: WPScan (en)

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