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CVE-2026-39786high7.1

WordPress BA Book Everything plugin <= 1.8.33 - Cross Site Scripting (XSS) vulnerability

Impact

Unauthenticated Cross Site Scripting (XSS) in BA Book Everything <= 1.8.33 versions.

Source excerpt · Patchstack

What to do

Update to 1.8.34 or a higher version.

Patchstack guidance

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

bookingalgorithms · Patchstack

BA Book Everything

1 range
Patchstack version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

n/a → through 1.8.33

custom versions

From 1.8.34: unaffected

unaffected

unknown

Other versions: unaffected

Original source description

Unauthenticated Cross Site Scripting (XSS) in BA Book Everything <= 1.8.33 versions.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-39786

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-79 ↗

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Patchstack

Related →
Contributing organizations · 2
Patchstack

Assigning organization

2026-10-30
CISA-ADP

Additional data publisher

2026-10-30

What changed

Follow changes
  1. CVE · CVE-2026-39786

    Observed 2026-10-30T19:16:12.379Z · upstream updated 2026-10-30T19:00:19.629Z

    Prioritization updated

    before

    []

    after

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-30T18:45:53.086681Z",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "partial"
      }
    ]
  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.

References

1 sources
patchstack.com/database/wordpress/plugin/ba-book-everything/vulnerability/wordpress-ba-book-everything-plugin-1-8-33-cross-site-scripting-xss-vulnerability
vdb-entryPatchstack