Cross-site scripting in WordPress WP Mailster plugin
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
The WP Mailster plugin for WordPress by brandtoss is affected through version 1.9.0.0. Improper neutralization of input during web page generation (CWE-79) lets injected script run in the page. An unauthenticated remote attacker can exploit this if a victim user interacts with crafted content.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Unauthenticated Cross Site Scripting (XSS) in WP Mailster <= 1.9.0.0 versions.
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 |
|---|---|---|---|---|---|
| Bởi brandtoss | WP Mailster | up to 1.9.0.0 | — | No fix listed | CNA |
- WP Mailster VendorBởi brandtoss Affected up to 1.9.0.0 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for WP Mailster.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-06 Threatist record created from CVE-2026-105061
- 2026-10-06 Alias added: GHSA-2292-9q2v-h2m2
- 2026-10-06 CISA SSVC decision points changed
- 2026-10-06 Priority changed: MEDIUM → LOW
Sources
- CVE-2026-105061 · CVE Program
- CVE-2026-105061 · NVD
- FIRST EPSS
- GHSA-2292-9q2v-h2m2 · 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