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Vulnerability Intelligence

CVE-2022-28368

CriticalExploitedPublic exploit

Remote code injection in dompdf/dompdf

Published Apr 4, 2022 · Updated Aug 12, 2026 · Also known as GHSA-x752-qjv4-c4hc

Key Facts

Patch immediately
  • CVE-2022-28368 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Dompdf (Dompdf Project), dompdf/dompdf (composer), php-dompdf (debian).
  • It is exploited in the wild, listed in Industry KEV feed since Sep 24, 2026. Public exploit code is available.
  • EPSS estimates a 83% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Dompdf 1.2.1, dompdf/dompdf 1.2.1, php-dompdf 0.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

83%

Higher than 99.6% of all scored CVEs

Exploited in the wild

Yes

1 catalog listing

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2022-28368 brief as a PDF

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Description

Dompdf 1.2.1 allows remote code execution via a .php file in the src:url field of an @font-face Cascading Style Sheets (CSS) statement (within an HTML input file).

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedSep 24, 2026n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

5 affected entries in total
ProductAffected versionsFixed in
DompdfDompdf ProjectSee advisory1.2.1
dompdf/dompdfcomposerSee advisory1.2.1
php-dompdfdebianSee advisory0

Patched Releases

Dompdf

1.2.1

dompdf/dompdf

1.2.1

Timeline

  1. Publicly disclosed

    Apr 4, 2022

  2. Last updated

    Aug 12, 2026

  3. Added to Industry KEV feed

    Sep 24, 2026

Weakness Type

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

References

11 more references in the full CVE brief

FAQ

Common Questions.

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