LiveActive security incident?Get immediate response
CVE Record

CVE-2023-46210: WordPress WC Captcha Plugin <= 1.4 is vulnerable to Cross Site Scripting (XSS)

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WebCource WC Captcha plugin <= 1.4 versions.

MediumCVSS 5.9Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-46210 is a stored XSS issue in the WebCource WC Captcha WordPress plugin, reported for versions 1.4 and earlier. It requires administrator-level access and user interaction, reducing broad attack likelihood but still creating risk on sites with many admins or compromised admin accounts.

Executive priority

Treat this as a targeted hygiene issue, not an emergency internet-wide incident. Prioritize if the plugin is present on public WordPress sites, especially where admin accounts are shared, weakly protected, or recently compromised.

Technical view

The issue is CWE-79 stored cross-site scripting in the WC Captcha plugin. The CVSS 3.1 score is 5.9 with network access, low complexity, high privileges, required user interaction, and changed scope. The provided sources do not include payload details or a named fixed version.

Likely exposure

Exposure is likely limited to WordPress sites running WebCource WC Captcha, especially plugin version 1.4 or earlier, where admin-level users can modify affected settings or content.

Exploitation context

The bundle does not support active exploitation. The CVE is not in KEV. Exploitation would require admin-level privileges and another user interaction, so compromised admin accounts materially change the risk.

Researcher notes

Evidence is sparse. The sources identify authenticated admin-plus stored XSS and CVSS details, but do not provide a fixed version, exploit status, or vulnerable parameter information. Validate exposure through plugin inventory and vendor advisory review.

Mitigation direction

  • Inventory WordPress sites for the WebCource WC Captcha plugin.
  • Check vendor or Patchstack guidance for an updated safe version.
  • Remove or disable the plugin if no maintained fixed release is available.
  • Restrict WordPress administrator access to trusted, MFA-protected accounts.
  • Review administrator account activity for unexpected plugin or settings changes.

Validation and detection

  • Confirm whether the plugin slug wc-captcha is installed.
  • Record the installed WC Captcha version across WordPress properties.
  • Identify any sites running version 1.4 or earlier.
  • Review plugin advisories for fixed-version or remediation details.
  • Check administrative audit logs for suspicious 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-2023-46210 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-2023-46210Attack 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
WebCourceWC Captchawc-captcha, n/aunaffected
Weakness

CWE details

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