Shortcode injection in WP Ultimate Review via reviewer email
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-94.
Summary
The WP Ultimate Review WordPress plugin before 2.4.5 does not neutralise shortcodes in all review fields submitted through its public review form. This is CWE-94, code injection. An unauthenticated visitor can submit a crafted review that executes arbitrary shortcodes when the affected field is displayed, provided user reviews and that field's display are enabled. A public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
The WP Ultimate Review WordPress plugin before 2.4.5 does not neutralise shortcodes in all of the review fields submitted through its public review form, which is available to unauthenticated visitors, allowing them to execute arbitrary shortcodes when the affected field is displayed, provided user reviews and that field's display are enabled.
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 |
|---|---|---|---|---|---|
| Unknown | WP Ultimate Review | before 2.4.5 | 2.4.5 | Patch available | CNA |
- WP Ultimate Review VendorUnknown Affected before 2.4.5 Fixed in 2.4.5 Patch available CNA
Remediation
Update WP Ultimate Review to version 2.4.5.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA WP Ultimate Review (Unknown) Fixed in 2.4.5
Timeline
- 2026-10-22 Threatist record created from CVE-2026-103234
- 2026-10-22 Alias added: GHSA-mq79-9v7w-xc5w
- 2026-10-22 CVSS score added · CISA ADP
- 2026-10-22 Weakness changed · CISA ADP
- 2026-10-22 CISA SSVC decision points changed
References
Sources
- CVE-2026-103234 · CVE Program
- CVE-2026-103234 · NVD
- FIRST EPSS
- GHSA-mq79-9v7w-xc5w · 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