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CVE Record

CVE-2026-0862: Save as PDF Plugin by PDFCrowd <= 4.5.5 - Reflected Cross-Site Scripting via options

The Save as PDF Plugin by PDFCrowd plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘options’ parameter in all versions up to, and including, 4.5.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. NOTE: Successful exploitation of this vulnerability requires that the PDFCrowd API key is blank (also known as "demo mode", which is the default configuration when the plugin is installed) or known.

MediumCVSS 6.1Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-0862 affects the WordPress “Save as PDF Plugin by PDFCrowd” through version 4.5.5. A malicious link could run script in a user’s browser if clicked. Risk is highest where the plugin is in default demo mode with a blank PDFCrowd API key, or where the key is known.

Executive priority

Treat as a routine but timely WordPress remediation. Prioritize public sites using the plugin in default demo mode, especially administrator-facing workflows where link-click social engineering could lead to session-impacting browser script execution.

Technical view

The plugin has reflected cross-site scripting in the “options” parameter due to insufficient sanitization and output escaping. It is unauthenticated, requires user interaction, and can affect confidentiality and integrity with changed scope. CVSS is 6.1. Successful exploitation depends on a blank/default demo API key or a known PDFCrowd API key.

Likely exposure

Internet-facing WordPress sites using Save as PDF Plugin by PDFCrowd version 4.5.5 or earlier are the relevant exposure. Sites left in demo mode with a blank API key are specifically called out as exploitable conditions.

Exploitation context

No source provided indicates active exploitation, and this CVE is not marked KEV. Exploitation requires social engineering a user into clicking a crafted link and requires a blank or known PDFCrowd API key.

Researcher notes

The source bundle identifies affected versions up to 4.5.5 and links a WordPress.org changeset, but does not name a fixed release explicitly. The CVE affected-version metadata appears sparse, so rely on Wordfence, CVE text, and plugin repository guidance for final version confirmation.

Mitigation direction

  • Upgrade the plugin to a version newer than 4.5.5 if available from WordPress.org.
  • Review the referenced WordPress plugin changeset and vendor guidance for the official fix.
  • Avoid leaving the plugin in default demo mode with a blank API key.
  • Remove or disable the plugin if it is not business-critical.

Validation and detection

  • Inventory WordPress sites for the Save as PDF Plugin by PDFCrowd.
  • Check whether installed versions are 4.5.5 or earlier.
  • Confirm whether the PDFCrowd API key is blank, demo-mode, or otherwise exposed.
  • Verify the site runs the fixed plugin version after updating.
Prepared
Confidence
high
Sources
4

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-2026-0862 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
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
3Source 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-2026-0862Attack 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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
pdfcrowdSave as PDF Plugin by PDFCrowd0unaffected
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.