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CVE Record

CVE-2023-36502: WordPress Balkon Theme <= 1.3.2 is vulnerable to Cross Site Scripting (XSS)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in cththemes Balkon plugin <= 1.3.2 versions.

HighCVSS 7.1Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2023-36502 is a high-severity cross-site scripting issue in the WordPress Balkon theme/plugin at version 1.3.2 or earlier. A victim must interact with malicious content, but successful exploitation could affect confidentiality, integrity, and availability at a limited level.

Executive priority

Treat as a near-term web exposure issue, especially on public marketing or customer-facing WordPress sites. It is high severity, but current evidence does not support emergency active-exploitation handling.

Technical view

The sources describe CWE-79 improper input neutralization during web page generation, reported as reflected XSS in cththemes Balkon <= 1.3.2. CVSS 3.1 is 7.1 with network attack vector, low complexity, no privileges required, user interaction required, and changed scope.

Likely exposure

Exposure is likely limited to WordPress sites using cththemes Balkon at version 1.3.2 or earlier. The bundle does not provide CPEs, deployment prevalence, or exact vulnerable parameters, so asset confirmation is required.

Exploitation context

The CVE is not listed as KEV in the provided bundle, and no cited source confirms active exploitation. The CVSS vector indicates remote exploitation is possible without attacker authentication, but victim interaction is required.

Researcher notes

Evidence is thin beyond CVSS, CWE-79, affected product, and the Patchstack reflected XSS listing. The bundle does not identify vulnerable inputs, a fixed version, or exploit-in-the-wild status. Avoid assuming theme versus plugin beyond the cited naming inconsistency.

Mitigation direction

  • Inventory WordPress sites for the Balkon theme/plugin and installed version.
  • Check Patchstack and vendor guidance for a fixed supported release.
  • Prioritize remediation for public or high-traffic WordPress sites.
  • Disable or replace Balkon where no supported fix is available.
  • Review security controls for reflected XSS detection and blocking.

Validation and detection

  • Confirm whether Balkon is installed on each WordPress property.
  • Record exact installed versions and compare against <= 1.3.2.
  • Check vulnerability scanner findings against CVE-2023-36502 references.
  • Review web logs for suspicious XSS probing without reproducing payloads.
  • Verify remediation by confirming the vulnerable version is no longer present.
Prepared
Confidence
medium
Sources
3

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-2023-36502 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
High
CVSS
7.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/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
7.1CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L2.83.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.1High
CVSS 3.1 vector shape for CVE-2023-36502Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
cththemesBalkonbalkon, n/aunaffected
Weakness

CWE details

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

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.