LiveActive security incident?Get immediate response
CVE Record

CVE-2023-45832: WordPress WP GoToWebinar Plugin <= 14.45 is vulnerable to Cross Site Scripting (XSS)

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Martin Gibson WP GoToWebinar plugin <= 14.45 versions.

MediumCVSS 5.9Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is a stored XSS issue in WP GoToWebinar for WordPress versions up to 14.45. An authenticated administrator could save script content that later runs in another user’s browser. Because admin access is already required and user interaction is needed, urgency is moderate, but compromise could still affect site trust and admin sessions.

Executive priority

Treat this as a moderate-priority WordPress plugin risk. Prioritize sites that use WP GoToWebinar, have many administrators, or support customer-facing event workflows.

Technical view

CVE-2023-45832 is CWE-79 stored cross-site scripting in Martin Gibson WP GoToWebinar <= 14.45. The CVSS 3.1 vector is AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L, scoring 5.9. The source bundle does not identify a fixed version, patch details, or vulnerable parameter.

Likely exposure

Exposure appears limited to WordPress sites running the WP GoToWebinar plugin at version 14.45 or earlier, especially where multiple users have administrator-level access.

Exploitation context

The provided sources do not show active exploitation, and the CVE is not listed as KEV. Exploitation requires high privileges and user interaction, reducing broad internet-scale risk, but stored XSS can persist until removed.

Researcher notes

Evidence is sparse. The bundle confirms authenticated admin-plus stored XSS, CVSS 5.9, CWE-79, and affected versions <= 14.45, but not the sink, field, proof of concept, patch version, or exploitation in the wild.

Mitigation direction

  • Check vendor or Patchstack guidance for a fixed version or official remediation.
  • Update WP GoToWebinar if a maintained fixed release is available.
  • Disable or remove the plugin if it is not business-critical.
  • Restrict WordPress administrator access to trusted users only.
  • Review administrator-created plugin content for unexpected script-like entries.

Validation and detection

  • Inventory WordPress sites for the wp-gotowebinar plugin.
  • Confirm whether deployed versions are 14.45 or earlier.
  • Review WordPress administrator accounts for unnecessary privileged access.
  • Check plugin-managed content for suspicious stored markup or scripts.
  • Monitor WordPress admin activity around plugin configuration changes.
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-2023-45832 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
5.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/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
5.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2023-45832Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/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
Martin GibsonWP GoToWebinarwp-gotowebinar, 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.