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CVE Record

CVE-2019-25148: WP HTML Mail < 2.9.1 - HTML Injection

The WP HTML Mail plugin for WordPress is vulnerable to HTML injection in versions up to, and including, 2.9.0.3 due to insufficient input sanitization. This makes it possible for unauthenticated attackers to inject arbitrary HTML in pages that execute if they can successfully trick a administrator into performing an action such as clicking on a link.

MediumCVSS 6.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is a medium-severity WordPress plugin issue. A public site using vulnerable WP HTML Mail versions could let an unauthenticated attacker inject HTML, but the reported scenario requires tricking an administrator into taking an action such as clicking a link.

Executive priority

Treat this as a scheduled but prompt WordPress hygiene fix. It is not documented as actively exploited in the provided sources, but it affects public websites and can involve administrator interaction, which raises business risk.

Technical view

CVE-2019-25148 affects WP HTML Mail versions up to and including 2.9.0.3. Insufficient input sanitization allows HTML injection, mapped to CWE-79, with CVSS 3.1 score 6.1. The vector is network-reachable, low complexity, no privileges, but requires user interaction.

Likely exposure

WordPress sites running Email Template Designer – WP HTML Mail / WP HTML Mail at versions up to 2.9.0.3 are the likely exposure. Sites without the plugin, or running unaffected versions, are not indicated as exposed by the bundle.

Exploitation context

The bundle does not show CISA KEV listing or confirmed active exploitation. Public sources describe unauthenticated HTML injection requiring administrator interaction, so practical risk depends on plugin presence, admin exposure to malicious links, and remediation status.

Researcher notes

The CVE data is sparse and contains an affected entry with defaultStatus marked unaffected, while the title and description identify WP HTML Mail before 2.9.1. Base validation on installed plugin name and version, not CPE coverage.

Mitigation direction

  • Upgrade WP HTML Mail to 2.9.1 or later where available.
  • Review vendor and plugin guidance for the affected installation.
  • Remove or disable the plugin if it is not business-critical.
  • Warn WordPress administrators not to follow untrusted remediation or login links.
  • Prioritize externally reachable WordPress sites with active admin use.

Validation and detection

  • Inventory WordPress sites for the WP HTML Mail plugin.
  • Confirm installed plugin versions are not 2.9.0.3 or earlier.
  • Check whether the plugin is active on public-facing sites.
  • Review web and admin logs for suspicious admin-triggered requests.
  • Verify remediation through the WordPress plugin dashboard or deployment records.
Prepared
Confidence
medium
Sources
5

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-2019-25148 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
6.1 (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: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
4Source 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
6.1CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.1Medium
CVSS 3.1 vector shape for CVE-2019-25148Attack 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: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
haetEmail Template Designer – WP HTML Mail0unaffected
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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