CVE-2016-20070
WordPress Booking Calendar Contact Form 1.0.23 Privilege Escalation Stored XSS
Published 4 mo ago · modified 3 mo ago · JSON
Summary
WordPress Booking Calendar Contact Form 1.0.23 contains privilege escalation and stored cross-site scripting vulnerabilities that allow authenticated users to modify plugin options and inject malicious scripts by failing to verify user privileges and sanitize input parameters. Attackers with subscriber-level accounts can inject XSS payloads through parameters like price, name, calendar_language, and email_confirmation_to_user via admin-ajax.php and admin.php endpoints to execute arbitrary JavaScript in administrator browsers.
CISA SSVC assessment
- Exploitation
- Proof of concept public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction (EPSS)
0.22% probability of exploitation in the next 30 days, higher than 13% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 4.0 | 5.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
| CNA | 4.0 | 5.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
Affected products
- dwbooster Booking Calendar Contact Form
Classification
- Weakness
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
- exploit-db.com /exploits/39423 · exploit
- wordpress.dwbooster.com / · product
- vulncheck.com /advisories/wordpress-booking-calendar-contact-form-privilege-escalation-stored-xss · third-party-advisory
Sources
- CVE List: CVE-2016-20070
- NVD: CVE-2016-20070
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.