CVE-2026-57656
WordPress Hester Core plugin <= 1.1.8 - Cross Site Scripting (XSS) vulnerability
Author Cross Site Scripting (XSS) in Hester Core <= 1.1.8 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- 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 Hester Core plugin <= 1.1.8 - Cross Site Scripting (XSS) vulnerability
Author Cross Site Scripting (XSS) in Hester Core <= 1.1.8 versions.
- Record
CVE-2026-57656- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-39771
Author Cross Site Scripting (XSS) in Hester Core <= 1.1.8 versions.
- Record
EUVD-2026-39771- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-792x-cxvp-364w
Author Cross Site Scripting (XSS) in Hester Core <= 1.1.8 versions.
Author Cross Site Scripting (XSS) in Hester Core <= 1.1.8 versions.
- Record
GHSA-792x-cxvp-364w- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Author Cross Site Scripting (XSS) in Hester Core <= 1.1.8 versions.
- Record
CVE-2026-57656- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/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-2026-57656 is a medium vulnerability (CVSS 5.9) in Peregrinethemes Hester Core, published June 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. No source names a fixed version.