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Vulnerabilities

Vulnerability · CVE-2022-28368

dompdf_project dompdf Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Published Sep 24, 2026 · catalog updated Sep 24, 2026 · dompdf_project dompdf Improper Neutralization

Patch now

CVE-2022-28368 is in the CISA known-exploited catalog. Confirm dompdf_project dompdf Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (dompdf_project dompdf Improper Neutralization).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
82.85%
Remediation
Remediation guidance
Affected products
vendor dompdf_project dompdf

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). Initial-access exploit intelligence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor dompdf_project dompdfversion unspecified

How to fix CVE-2022-28368

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-28368 is in the CISA known-exploited catalog. Confirm dompdf_project dompdf Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 82.85%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 24, 2026 · VulnCheck KEV

    Detected

    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). Initial-access exploit intelligence.

  2. Sep 24, 2026 · CISA KEV

    Known exploited

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

Sources

  • CVE.orgVulnerability recordCVE-2022-28368

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-28368

    30-day exploitation probability 82.9%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2022-28368

    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).

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.