CVE-2026-39786 Details
Description
Unauthenticated Cross Site Scripting (XSS) in BA Book Everything <= 1.8.33 versions.
A cross-site scripting (XSS) vulnerability has been identified in the BA Book Everything WordPress plugin, affecting versions through 1.8.33. This vulnerability allows unauthenticated users to inject malicious scripts, which could be used to steal data from visitors or hijack their accounts.
Users are advised to update the BA Book Everything WordPress plugin to version 1.8.34 or later. Patchstack has also issued a mitigation rule to block attacks until the plugin is updated.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 30, 2026CISA-ADP
Assessed Oct 30, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| BA Book Everything | <= 1.8.33 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 30, 2026 | New CVE Received | [email protected] |
| Oct 30, 2026 | CVE Modified | CISA-ADP |