Gutenslider < 5.2.0 - Contributor+ Stored XSS
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The WordPress Slider Block Gutenslider plugin before 5.2.0 does not escape the minWidth attribute of a Gutenburg block, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks
Why it matters now
EPSS 0.00624 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed WordPress Slider Block Gutenslider (Unknown): 5.2.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | WordPress Slider Block Gutenslider | 5.2.0 to before 5.2.0 | 5.2.0 | Patch available | CNA |
- WordPress Slider Block Gutenslider VendorUnknown Affected 5.2.0 to before 5.2.0 Fixed in 5.2.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gutenslider:gutenslider:*:*:*:*:*:wordpress:*:* | before 5.2.0 | Vulnerable | Gutenslider |
- cpe:2.3:a:gutenslider:gutenslider:*:*:*:*:*:wordpress:*:* Versions before 5.2.0 Vulnerable ·Gutenslider
Remediation
- Fix · CNA WordPress Slider Block Gutenslider (Unknown) Fixed in 5.2.0
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24640
- 2026-10-03 Alias added: GHSA-36hv-f25w-387h
- 2026-11-04 EPSS moved to the 50th–90th percentile
References
Sources
- CVE-2021-24640 · CVE Program
- CVE-2021-24640 · NVD
- FIRST EPSS
- GHSA-36hv-f25w-387h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences