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01 Record

CVE-2023-39992

WordPress Online Booking & Scheduling Calendar for WordPress by vcita Plugin <= 4.3.2 is vulnerable to Cross Site Scripting (XSS)

HighPUBLISHEDCNA: Patchstack
CNA base score7.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

02 Description

WordPress Online Booking & Scheduling Calendar for WordPress by vcita Plugin <= 4.3.2 is vulnerable to Cross Site Scripting (XSS)

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.37% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 31.1% of scored records. A rank, not a probability.
NVD base score
6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2023-09-04 10:33Z3 YR AGO
Last updated
2026-04-28 16:08Z6 MO AGO
Reserved
2023-08-08
Assigning CNA
Patchstack
Record state
PUBLISHED
Severity
High (CVSS 7.1)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.2
Document digest
b1b2755de2cb871d1b9b77de6688417009cc7b147363421cf5756f7f252e06bd

05 Affected products

VendorProductVersionsPlatforms

06 References

07 Remediation

Update to 4.3.3 or a higher version.