YayPricing < 3.5.7 - Subscriber+ Stored XSS via save_page_data REST Route
Priority LOW 37CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The YayPricing WordPress plugin before 3.5.7 does not perform an authorization check on a REST route that saves its pricing rules, allowing users with the subscriber role and above to store JavaScript that executes in the browser of an administrator who opens the YayPricing WordPress plugin before 3.5.7's settings page.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00413 35th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed YayPricing (Unknown): 3.5.7
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | YayPricing | before 3.5.7 | 3.5.7 | Patch available | CNA |
- YayPricing VendorUnknown Affected before 3.5.7 Fixed in 3.5.7 Patch available CNA
Remediation
- Fix · CNA YayPricing (Unknown) Fixed in 3.5.7
Timeline
- 2026-10-02 Threatist record created from CVE-2026-87888
- 2026-10-03 Alias added: GHSA-7hp7-3c46-m2c9
References
Sources
- CVE-2026-87888 · CVE Program
- CVE-2026-87888 · NVD
- FIRST EPSS
- GHSA-7hp7-3c46-m2c9 · 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