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CVE Record

CVE-2023-0082: ExactMetrics < 7.12.1 - Contributor+ Stored XSS

The ExactMetrics WordPress plugin before 7.12.1 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-0082 is a stored cross-site scripting issue in the ExactMetrics WordPress plugin before 7.12.1. A contributor-level user or higher could save unsafe block options that later run when someone views the affected page or post.

Executive priority

Prioritize patching on public WordPress sites with multiple content contributors. Business impact is moderate: successful abuse could affect visitors or administrators viewing compromised content, but the vulnerability requires authenticated content privileges.

Technical view

The plugin failed to validate and escape some block options before rendering embedded blocks in posts or pages. The issue is CWE-79 with CVSS 5.4, requiring low-privileged authenticated access and user interaction, with limited confidentiality and integrity impact.

Likely exposure

Exposure is most likely on WordPress sites running ExactMetrics before 7.12.1, especially where contributor or higher roles are granted broadly or untrusted users can create posts containing ExactMetrics blocks.

Exploitation context

The provided bundle includes a WPScan reference tagged as exploit, but KEV is false and no source states active exploitation. Treat this as publicly documented, not confirmed in-the-wild exploitation.

Researcher notes

Affected metadata in the bundle is limited and inconsistent, listing product ExactMetrics with version 0 while the description states before 7.12.1. Base validation on installed plugin version and contributor-plus content permissions.

Mitigation direction

  • Update ExactMetrics to version 7.12.1 or later.
  • Restrict contributor and author access until patched.
  • Review existing posts and pages using ExactMetrics blocks.
  • Check vendor or WPScan guidance for any additional cleanup advice.

Validation and detection

  • Inventory WordPress sites using the ExactMetrics plugin.
  • Confirm installed ExactMetrics versions are 7.12.1 or later.
  • Identify users with contributor, author, editor, or administrator roles.
  • Review recent ExactMetrics block content for suspicious saved options.
Prepared
Confidence
high
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-2023-0082 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
5.4 (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: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
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
5.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.4Medium
CVSS 3.1 vector shape for CVE-2023-0082Attack 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:N

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
UnknownExactMetrics0unaffected
Weakness

CWE details

CWE-79

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.

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