HOMEVULNERABILITIESCVE-2022-28368
CRITICALPOC

CVE-2022-28368

CWE-79Published: April 3, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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).

NVD Source

Technical Analysis

CVE-2022-28368 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2022-28368. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

dompdf_project1 product(s)
dompdf
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/dompdf/dompdf/commit/4c70e1025bcd9b7694b95dd552499bd83cd6141d
PATCHhttps://github.com/dompdf/dompdf/issues/2598
PATCHhttps://github.com/dompdf/dompdf/pull/2808
PATCHhttps://github.com/dompdf/dompdf/commit/4c70e1025bcd9b7694b95dd552499bd83cd6141d
PATCHhttps://github.com/dompdf/dompdf/issues/2598
PATCHhttps://github.com/dompdf/dompdf/pull/2808
ADVISORYhttps://github.com/snyk-labs/php-goof
ADVISORYhttps://packagist.org/packages/dompdf/dompdf#v1.2.1
ADVISORYhttps://snyk.io/blog/security-alert-php-pdf-library-dompdf-rce/
ADVISORYhttps://github.com/snyk-labs/php-goof
ADVISORYhttps://packagist.org/packages/dompdf/dompdf#v1.2.1
ADVISORYhttps://snyk.io/blog/security-alert-php-pdf-library-dompdf-rce/

All References (14)

→
http://packetstormsecurity.com/files/171738/Dompdf-1.2.1-Remote-Code-Execution.html
→
https://github.com/dompdf/dompdf/commit/4c70e1025bcd9b7694b95dd552499bd83cd6141dPatch · Third Party Advisory
→
https://github.com/dompdf/dompdf/issues/2598Patch · Third Party Advisory
→
https://github.com/dompdf/dompdf/pull/2808Patch · Third Party Advisory
→
https://github.com/snyk-labs/php-goofThird Party Advisory
→
https://packagist.org/packages/dompdf/dompdf#v1.2.1Product · Third Party Advisory
→
https://snyk.io/blog/security-alert-php-pdf-library-dompdf-rce/Exploit · Third Party Advisory
→
http://packetstormsecurity.com/files/171738/Dompdf-1.2.1-Remote-Code-Execution.html
→
https://github.com/dompdf/dompdf/commit/4c70e1025bcd9b7694b95dd552499bd83cd6141dPatch · Third Party Advisory
→
https://github.com/dompdf/dompdf/issues/2598Patch · Third Party Advisory
→
https://github.com/dompdf/dompdf/pull/2808Patch · Third Party Advisory
→
https://github.com/snyk-labs/php-goofThird Party Advisory
→
https://packagist.org/packages/dompdf/dompdf#v1.2.1Product · Third Party Advisory
→
https://snyk.io/blog/security-alert-php-pdf-library-dompdf-rce/Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2022-28368
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-79
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedApr 3, 2022

Related CVEs (CWE-79)

CVE-2011-3046
10.0
CVE-2021-32671
10.0
CVE-2025-49410
10.0
CVE-2023-0776
10.0
CVE-2024-6886
10.0
CVE-2025-59832
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-28368 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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