XSS in Onlineonly Phpjabbers Appointment Scheduler

CVE-2020-35416

Multiple cross-site scripting (XSS) vulnerabilities exist in PHPJabbers Appointment Scheduler 2.3, in the index.php admin login webpage (with different request parameters), allows remote attackers to inject arbitrary web script or HTML.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.027 (84.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-35416?
CVE-2020-35416 is a medium-severity vulnerability in Onlineonly Phpjabbers Appointment Scheduler, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-12-15.
How severe is CVE-2020-35416?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-35416 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.