CVE-2026-66598
WordPress B2BKing Premium plugin <= 5.6.07 - Cross Site Scripting (XSS) vulnerability
Unauthenticated Cross Site Scripting (XSS) in B2BKing Premium <= 5.6.07 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
WordPress B2BKing Premium plugin <= 5.6.07 - Cross Site Scripting (XSS) vulnerability
Unauthenticated Cross Site Scripting (XSS) in B2BKing Premium <= 5.6.07 versions.
- Record
CVE-2026-66598- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-63340
Unauthenticated Cross Site Scripting (XSS) in B2BKing Premium <= 5.6.07 versions.
- Record
EUVD-2026-63340- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3mj6-3crj-6pcw
Unauthenticated Cross Site Scripting (XSS) in B2BKing Premium <= 5.6.07 versions.
Unauthenticated Cross Site Scripting (XSS) in B2BKing Premium <= 5.6.07 versions.
- Record
GHSA-3mj6-3crj-6pcw- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Unauthenticated Cross Site Scripting (XSS) in B2BKing Premium <= 5.6.07 versions.
- Record
CVE-2026-66598- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-66598 is a high vulnerability (CVSS 7.1) in Kings Plugins B2bking Premium, published August 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.