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CVE Record

CVE-2026-1045: Viet contact <= 1.3.2 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'll1', 'll2', 'll3', and 'll4' Parameters

The Viet contact plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.3.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

MediumCVSS 4.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-1045 is a stored cross-site scripting issue in the WordPress Viet contact plugin through version 1.3.2. It requires administrator-level access, so it is not a broad unauthenticated attack. Business urgency is moderate, mainly for WordPress multisite environments or sites where WordPress has disabled unfiltered HTML for admins.

Executive priority

Treat as a moderate-priority WordPress hygiene issue. It is unlikely to be the first step in an attack, but it can worsen the impact of compromised administrator accounts. Prioritize externally facing multisite WordPress properties and environments with many delegated admins.

Technical view

The plugin insufficiently sanitizes and escapes admin settings parameters ll1, ll2, ll3, and ll4. An authenticated administrator or higher can store script content that executes when an affected page is viewed. The CVSS 3.1 score is 4.4, with high privileges and high attack complexity, scoped impact, and low confidentiality/integrity impact.

Likely exposure

Exposure is limited to WordPress sites running Viet contact up to and including 1.3.2, specifically multisite installations or installations where unfiltered_html is disabled. Sites without this plugin, or outside those configuration conditions, are not indicated as affected by the provided sources.

Exploitation context

No active exploitation is stated in the provided sources, and the CVE is not marked as CISA KEV. Abuse requires existing administrator-level access, making this most relevant after account compromise, insider misuse, or delegated admin scenarios in constrained WordPress environments.

Researcher notes

The description states all versions through 1.3.2 are affected, but the affected metadata in the bundle is sparse and lists an unusual version value. No patched version is identified in the provided sources. Validate against Wordfence and WordPress plugin repository data before closing remediation.

Mitigation direction

  • Check vendor and WordPress plugin guidance for an updated or fixed release.
  • If no fix is available, consider disabling or removing Viet contact where business impact allows.
  • Limit administrator access to trusted users and review delegated admin rights.
  • Prioritize remediation on WordPress multisite deployments and sites with unfiltered_html disabled.

Validation and detection

  • Inventory WordPress sites for the Viet contact plugin and installed version.
  • Confirm whether affected sites run multisite or have unfiltered_html disabled.
  • Review Viet contact admin settings for unexpected script-like content.
  • Monitor vendor, Wordfence, and WordPress plugin repository references for remediation updates.
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-2026-1045 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
4.4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/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
4.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N1.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.4Medium
CVSS 3.1 vector shape for CVE-2026-1045Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/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
nhomcaodemViet contact0unaffected
Weakness

CWE details

CWE-79

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