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CVE Record

CVE-2023-3787: Codecanyon Tiva Events Calender cross site scripting

A vulnerability classified as problematic was found in Codecanyon Tiva Events Calender 1.4. This vulnerability affects unknown code. The manipulation of the argument name leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-235054 is the identifier assigned to this vulnerability.

MediumCVSS 4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-3787 is a cross-site scripting issue in Codecanyon Tiva Events Calender 1.4. A remote authenticated user may be able to manipulate the name argument so malicious script runs in a browser. The public sources say exploit details are disclosed, but they do not show confirmed active exploitation or a vendor patch.

Executive priority

Treat as a moderate web application risk. Prioritize remediation if the component is internet-facing, used by many authenticated users, or present on customer-trusted sites. This is not presented as a critical emergency by the provided evidence.

Technical view

The issue is CWE-79 cross-site scripting affecting Tiva Events Calender 1.4. CVSS 2.0 is 4.0 with network access, low complexity, single authentication, partial integrity impact, and no confidentiality or availability impact. The exact vulnerable code path is not identified in the provided bundle.

Likely exposure

Exposure is limited to organizations running Codecanyon Tiva Events Calender version 1.4. Risk is higher where the calendar is reachable by untrusted authenticated users or semi-trusted content managers. The sources do not provide CPEs, route names, or deployment prevalence.

Exploitation context

VulDB states the exploit has been publicly disclosed and may be used. The CVE is not listed as KEV in the provided bundle, so active exploitation should not be assumed. Authentication is required according to the CVSS vector, reducing broad internet-scale risk.

Researcher notes

Key gaps remain: the bundle does not identify the precise file, route, sink, fixed version, or vendor advisory. Validate exposure carefully before assigning ownership. Public exploit disclosure increases urgency, but evidence does not support claiming active exploitation.

Mitigation direction

  • Inventory websites for Tiva Events Calender 1.4 usage.
  • Check Codecanyon or product vendor guidance for fixed versions or patches.
  • Remove or disable the component if it is unused.
  • Restrict calendar management access to trusted users only.
  • Apply standard XSS defenses where locally maintainable.

Validation and detection

  • Confirm whether Tiva Events Calender 1.4 is installed.
  • Identify pages or handlers accepting the name argument.
  • Review role access to calendar event management features.
  • Test fixes in staging using non-weaponized XSS validation methods.
  • Review web logs for suspicious calendar name input patterns.
Prepared
Confidence
medium
Sources
6

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.

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cve · low confidence lookup

CVE-2023-3787 mapping review

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

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4 (2.0)
Known Exploited
No
Published

Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

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
5Source 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
4CVSS 2.0MediumAV:N/AC:L/Au:S/C:N/I:P/A:N82.9Primary CVE score

Vulnerability scoring details

Base CVSS 2.0 score

4Medium
CVSS 2.0 vector shape for CVE-2023-3787Access VectorAccess ComplexityAuthenticationConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

Access Vector
NetworkAdjacentLocal
Access Complexity
LowMediumHigh
Authentication
NoneSingleMultiple
Confidentiality Impact
CompletePartialNone
Integrity Impact
CompletePartialNone
Availability Impact
CompletePartialNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CodecanyonTiva Events Calender1.4Listed
Weakness

CWE details

CWE-79

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