Buy Now Plus <= 1.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
The Buy Now Plus – Buy Now buttons for Stripe plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'buynowplus' shortcode in all versions up to, and including, 1.0.2 due to insufficient input sanitization and output escaping on shortcode attributes. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| supercleanse | Buy Now Plus — Payments with Stripe | up to 1.0.2 | — | No fix listed | CNA |
- Buy Now Plus — Payments with Stripe Vendorsupercleanse Affected up to 1.0.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1295
- 2026-10-03 Alias added: GHSA-87j3-3j5h-4g3m
References
Other 4
- https://www.wordfence.com/threat-intel/vulnerabilities/id/87d228bb-eb5b-44ca-91f7-ada730635a3f?source=cve
- https://plugins.trac.wordpress.org/browser/buy-now-plus/tags/1.0.2/class-bnp-buttons.php#L17
- https://plugins.trac.wordpress.org/browser/buy-now-plus/tags/1.0.2/class-bnp-buttons.php#L36
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3444416%40buy-now-plus&new=3444416%40buy-now-plus&sfp_email=&sfph_mail=
More supercleanse vulnerabilities
- TI-2026-83498 Stored cross-site scripting in ThirstyAffiliates plugin for WordPress CVSS 3.1HIGH 7.2
- TI-2026-10665 Members <= 3.2.22 - Unauthenticated Sensitive Information Disclosure via REST API Pagination Side Channel CVSS 3.1MEDIUM 5.3
- TI-2024-10199 Members <= 3.2.10 - Unauthenticated Content Restriction Bypass to Sensitive Information Exposure CVSS 3.1MEDIUM 5.3
- TI-2026-04417 PrettyLinks <= 3.6.20 - Authenticated (Administrator+) SQL Injection via 's' Parameter CVSS 3.1MEDIUM 4.9
Sources
- CVE-2026-1295 · CVE Program
- CVE-2026-1295 · NVD
- FIRST EPSS
- GHSA-87j3-3j5h-4g3m · 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