WP Booking System – Booking Calendar < 1.4 — Cross-Site Scripting
CVE-2017-2168Published · Updated Action summary
WP Booking System – Booking Calendar: Affected: <1.4Update to 1.4 or newer
WP Booking System – Booking Calendar Premium: Affected: <3.7Update to 3.7 or newer
All remediation steps- Severity
- Medium6.1
- CVSS
- 6.1CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:RUser interaction- Required
S:CScope- Changed
C:LConfidentiality- Low
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-79 Cross-Site Scripting
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
WP Booking System – Booking Calendar wp-booking-system
- Affected< 1.4
- Patched in1.4
Update to 1.4 or newer.
You are affected if you run < 1.4. Version 1.4 and later are not affected by this issue.
WP Booking System – Booking Calendar Premium wp-booking-system-premium
- Affected< 3.7
- Patched in3.7
Update to 3.7 or newer.
You are affected if you run < 3.7. Version 3.7 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WP Booking System – Booking Calendar.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 1.4, or a newer patched version
- Update to version 3.7, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch WP Booking System – Booking Calendar to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Satoshi Takagi.
Cross-site scripting vulnerability in WP Booking System Free version prior to version 1.4 and WP Booking System Premium version prior to version 3.7 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in WP Booking System – Booking Calendar
All 17| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤2.1.0.6Update to 2.1.0.7 | CVE-2026-57639 | |
| Critical9.1 | Missing Authorization to Unauthenticated Arbitrary Calendar Note Deletion via wpbs_calendar_remove_note AJAX Action ≤2.1.0.5Update to 2.1.0.6 | CVE-2026-116557 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤2.1.0.2Update to 2.1.0.3 | CVE-2026-109147 | |
| Medium6.8 | Missing Authorization to Authenticated (Subscriber+) Privilege Escalation via 'user_permission' Parameter via Cross-Form Nonce Reuse ≤2.1.0.3Update to 2.1.0.4 | CVE-2026-109369 | |
| Medium6.5 | Missing Authorization to Authenticated (Subscriber+) Sensitive Information Exposure via wpbs_refresh_calendar_editor AJAX action ≤2.1.0.3Update to 2.1.0.4 | CVE-2026-109368 |
- High7.2Unauthenticated Stored Cross-Site Scripting
≤2.1.0.6Update to 2.1.0.7
- Critical9.1Missing Authorization to Unauthenticated Arbitrary Calendar Note Deletion via wpbs_calendar_remove_note AJAX Action
≤2.1.0.5Update to 2.1.0.6
- Medium6.1Reflected Cross-Site Scripting
≤2.1.0.2Update to 2.1.0.3
- Medium6.8Missing Authorization to Authenticated (Subscriber+) Privilege Escalation via 'user_permission' Parameter via Cross-Form Nonce Reuse
≤2.1.0.3Update to 2.1.0.4
- Medium6.5Missing Authorization to Authenticated (Subscriber+) Sensitive Information Exposure via wpbs_refresh_calendar_editor AJAX action
≤2.1.0.3Update to 2.1.0.4
Same weakness (Cross-Site Scripting)
All Cross-Site Scripting| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity medium, CVSS 6.1
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.