LiveActive security incident?Get immediate response
CVE Record

CVE-2025-54676: WordPress Online Booking & Scheduling Calendar for by vcita Plugin plugin <= 4.5.3 - Cross Site Scripting (XSS) Vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita meeting-scheduler-by-vcita allows Stored XSS.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through <= 4.5.3.

MediumCVSS 6.5Not KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This vulnerability affects the vcita Online Booking & Scheduling Calendar WordPress plugin through version 4.5.3. An authenticated user could store malicious content that later runs in another user's browser. Business risk is mainly website trust, admin-session exposure, and content tampering, not direct server takeover based on the provided CVSS data.

Executive priority

Treat as a near-term web application hygiene issue. Prioritize internet-facing WordPress sites using this booking plugin, especially where multiple contributors or client-facing accounts exist.

Technical view

CVE-2025-54676 is a stored cross-site scripting issue, CWE-79, in meeting-scheduler-by-vcita. CVSS 3.1 is 6.5 with network access, low complexity, low privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to WordPress sites with the vcita booking plugin installed at version 4.5.3 or earlier. The source bundle does not identify affected configurations beyond the plugin and version range.

Exploitation context

The bundle does not show CISA KEV status or cited active exploitation. Exploitation requires a low-privileged authenticated actor and a victim viewing affected generated content, consistent with stored XSS risk rather than unauthenticated remote compromise.

Researcher notes

Evidence is limited to the CVE metadata and Patchstack reference in the bundle. No exploit details, fixed version, or vendor remediation text are provided here, so avoid asserting more than stored XSS through version 4.5.3.

Mitigation direction

  • Inventory WordPress sites for meeting-scheduler-by-vcita version 4.5.3 or earlier.
  • Check vcita, WordPress plugin, or Patchstack guidance for a confirmed fixed release.
  • Update the plugin when a vendor-confirmed fixed version is available.
  • Disable or remove the plugin where business use is not required.
  • Limit WordPress accounts that can create or edit plugin-controlled content.

Validation and detection

  • Confirm the installed plugin slug and version across all WordPress environments.
  • Review whether untrusted or low-privilege users can modify plugin-rendered content.
  • Test affected pages with benign non-executing markers to confirm proper output handling.
  • Review web logs and WordPress audit trails for suspicious plugin-content changes.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2025-54676 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2025-54676Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
vcitaOnline Booking & Scheduling Calendar for WordPress by vcitameeting-scheduler-by-vcita, 0unaffected
Weakness

CWE details

CWE-79

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.