WordPress Plugin Ultimate Product Catalogue 5.8.2 Stored XSS via price
Priority MEDIUM 56CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Ultimate Product Catalogue 5.8.2 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the price parameter. Attackers can submit POST requests to post.php with HTML/JavaScript payloads in the price field to execute arbitrary code when the product is viewed.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00282 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| Etoile Web Design | Ultimate Product Catalogue | 5.8.2 | — | No fix listed | CNA |
- Ultimate Product Catalogue VendorEtoile Web Design Affected 5.8.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47924
- 2026-10-03 Alias added: GHSA-qwj3-2cv8-c6jp
References
Exploit 1
More Etoile Web Design vulnerabilities
- TI-2016-09251 WordPress Ultimate Product Catalog 3.8.6 Arbitrary File Upload RCE CVSS 4.0HIGH 8.7
- TI-2025-01743 Front-End-Only-Users <= 3.2.32 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
- TI-2024-12610 Front End Users <= 3.2.32 - Reflected XSS CVSS 3.1HIGH 7.1
- TI-2023-02539 Ultimate Product Catalog < 5.2.6 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
- TI-2020-18897 Ultimate Reviews < 2.1.33 - PHP Object Injection CVSS 3.1CRITICAL 9.8
- TI-2017-08988 The Etoile Ultimate Product Catalog plugin 4.2.11 for WordPress has SQL injection with… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2021-47924 · CVE Program
- CVE-2021-47924 · NVD
- FIRST EPSS
- GHSA-qwj3-2cv8-c6jp · 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