CVE-2026-42663
WordPress Simple Membership plugin <= 4.7.2 - Cross Site Scripting (XSS) vulnerability
Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- 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 Simple Membership plugin <= 4.7.2 - Cross Site Scripting (XSS) vulnerability
Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.
- Record
CVE-2026-42663- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-36828
Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.
- Record
EUVD-2026-36828- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hc65-h82q-r825
Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.
Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.
- Record
GHSA-hc65-h82q-r825- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.
- Record
CVE-2026-42663- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/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-2026-42663 is a medium vulnerability (CVSS 6.5) in Wp.insider Simple Membership, published June 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.