Anti-Spam by CleanTalk < 6.91 - Unauthenticated Stored XSS via Comment Author Email
Summary
| CVE | CVE-2026-115673 |
|---|---|
| State | PUBLISHED |
| Assigner | WPScan |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-11-06 06:16:40 UTC |
| Updated | 2026-11-06 20:09:13 UTC |
| Description | The Anti-Spam, Spam FireWall by CleanTalk WordPress plugin before 6.91 does not escape a commenter-supplied value before outputting it on an administrative spam-review screen, allowing unauthenticated users to inject arbitrary web scripts that execute in the browser of an administrator who reviews flagged comments. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from ADP
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.002670000 probability, percentile 0.189400000 (date 2026-11-08)
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')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Unknown | Anti-Spam Spam FireWall By CleanTalk | affected 6.91 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| wpscan.com/vulnerability/087d91ac-2158-4f9b-8fab-4d17b14a7053 | [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: Erwan LR (WPScan) (en)
CNA: WPScan (en)
There are currently no legacy QID mappings associated with this CVE.