Call Now Button <= 1.5.3 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Settings Update
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
The Call Now Button – The #1 Click to Call Button for WordPress plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the activate function in all versions up to, and including, 1.5.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to link the plugin to their nowbuttons.com account and add malicious buttons to the site. The vulnerability is only exploitable on fresh installs where the plugin has not been previously configured with an API key.
Why it matters now
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 |
|---|---|---|---|---|---|
| jgrietveld | Call Now Button – The #1 Click to Call Button for WordPress | up to 1.5.3 | — | No fix listed | CNA |
- Call Now Button – The #1 Click to Call Button for WordPress Vendorjgrietveld Affected up to 1.5.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11587
- 2026-10-03 Alias added: GHSA-5797-v2fm-f69x
References
More jgrietveld vulnerabilities
- TI-2025-10662 Call Now Button <= 1.5.4 - Authenticated (Subscriber+) Missing Authorization to Multiple Functions CVSS 3.1MEDIUM 4.3
Sources
- CVE-2025-11587 · CVE Program
- CVE-2025-11587 · NVD
- FIRST EPSS
- GHSA-5797-v2fm-f69x · 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