CVE-2020-9371
Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 3.3%. Treat it as high on anything reachable from the internet.
Description
Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress. In the cpabc_appointments.php file, the Calendar Name input could allow attackers to inject arbitrary JavaScript or HTML.
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 3.30% probability · 88th percentile
- Public exploits
- 1 in Exploit-DB · first 12 March 2020
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- codepeople/appointment booking calendar
- Source
- cve@mitre.org
EPSS 3.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/156694/WordPress-Appointment-Booking-Calendar-1.3.34-CSV-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://drive.google.com/open?id=1NNcYPaJir9SleyVr4cSPqpI2LNM7rtx9Exploit, Third Party Advisory
- https://wordpress.org/plugins/appointment-booking-calendar/#developersRelease Notes, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/10110Third Party Advisory
- https://www.hotdreamweaver.com/support/view.php?id=815925Permissions Required, Third Party Advisory
- http://packetstormsecurity.com/files/156694/WordPress-Appointment-Booking-Calendar-1.3.34-CSV-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://drive.google.com/open?id=1NNcYPaJir9SleyVr4cSPqpI2LNM7rtx9Exploit, Third Party Advisory
- https://wordpress.org/plugins/appointment-booking-calendar/#developersRelease Notes, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/10110Third Party Advisory
- https://www.hotdreamweaver.com/support/view.php?id=815925Permissions Required, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.