10.0
CRITICAL CVSS 3.1
CVE-2023-23924
Dompdf SVG URI Bypass RCE
Description

Dompdf is an HTML to PDF converter. The URI validation on dompdf 2.0.1 can be bypassed on SVG parsing by passing `<image>` tags with uppercase letters. This may lead to arbitrary object unserialize on PHP < 8, through the `phar` URL wrapper. An attacker can exploit the vulnerability to call arbitrary URL with arbitrary protocols, if they can provide a SVG file to dompdf. In PHP versions before 8.0.0, it leads to arbitrary unserialize, that will lead to the very least to an arbitrary file deletion and even remote code execution, depending on classes that are available.

INFO

Published Date :

Feb. 1, 2023, 12:15 a.m.

Last Modified :

Nov. 21, 2024, 7:47 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2023-23924 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Dompdf_project dompdf
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL [email protected]
CVSS 3.1 CRITICAL [email protected]
Public PoC/Exploit Available at Github

CVE-2023-23924 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-23924.

URL Resource
https://github.com/dompdf/dompdf/commit/7558f07f693b2ac3266089f21051e6b78c6a0c85 Patch Third Party Advisory
https://github.com/dompdf/dompdf/releases/tag/v2.0.2 Release Notes Third Party Advisory
https://github.com/dompdf/dompdf/security/advisories/GHSA-3cw5-7cxw-v5qg Exploit Third Party Advisory
https://github.com/dompdf/dompdf/commit/7558f07f693b2ac3266089f21051e6b78c6a0c85 Patch Third Party Advisory
https://github.com/dompdf/dompdf/releases/tag/v2.0.2 Release Notes Third Party Advisory
https://github.com/dompdf/dompdf/security/advisories/GHSA-3cw5-7cxw-v5qg Exploit Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-23924 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-23924 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
Mr-C0k1/antiware

antiware

Python Shell

Updated: 1 month ago
2 stars 0 fork 0 watcher
Born at : July 14, 2025, 1:57 p.m. This repo has been linked 3 different CVEs too.
Profile Photo
whoforget/CVE-POC

None

Updated: 2 years, 4 months ago
0 stars 2 fork 2 watcher
Born at : April 8, 2023, 6:19 a.m. This repo has been linked 928 different CVEs too.
Profile Photo
k0mi-tg/CVE-POC

None

Updated: 1 year, 6 months ago
20 stars 3 fork 3 watcher
Born at : Feb. 14, 2023, 6:10 p.m. This repo has been linked 921 different CVEs too.
Profile Photo
motikan2010/CVE-2023-23924

CVE-2023-23924 (Dompdf - RCE) PoC

PHP

Updated: 1 year, 1 month ago
9 stars 2 fork 2 watcher
Born at : Feb. 1, 2023, 6:21 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-23924 vulnerability anywhere in the article.

  • Cybersecurity News
Critical Vulnerability in Rasa Framework Enables Remote Code Execution (CVE-2024-49375)

A critical-severity vulnerability (CVE-2024-49375) has been identified in the popular open-source Rasa framework. This flaw, which carries a CVSS score of 9.1, allows attackers to achieve Remote Code ... Read more

Published Date: Jan 16, 2025 (7 months ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-23924 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/dompdf/dompdf/commit/7558f07f693b2ac3266089f21051e6b78c6a0c85
    Added Reference https://github.com/dompdf/dompdf/releases/tag/v2.0.2
    Added Reference https://github.com/dompdf/dompdf/security/advisories/GHSA-3cw5-7cxw-v5qg
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description Dompdf is an HTML to PDF converter. The URI validation on dompdf 2.0.1 can be bypassed on SVG parsing by passing `<image>` tags with uppercase letters. This may lead to arbitrary object unserialize on PHP < 8, through the `phar` URL wrapper. An attacker can exploit the vulnerability to call arbitrary URL with arbitrary protocols, if they can provide a SVG file to dompdf. In PHP versions before 8.0.0, it leads to arbitrary unserialize, that will lead to the very least to an arbitrary file deletion and even remote code execution, depending on classes that are available. Dompdf is an HTML to PDF converter. The URI validation on dompdf 2.0.1 can be bypassed on SVG parsing by passing `<image>` tags with uppercase letters. This may lead to arbitrary object unserialize on PHP < 8, through the `phar` URL wrapper. An attacker can exploit the vulnerability to call arbitrary URL with arbitrary protocols, if they can provide a SVG file to dompdf. In PHP versions before 8.0.0, it leads to arbitrary unserialize, that will lead to the very least to an arbitrary file deletion and even remote code execution, depending on classes that are available.
  • Initial Analysis by [email protected]

    Feb. 08, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/dompdf/dompdf/commit/7558f07f693b2ac3266089f21051e6b78c6a0c85 No Types Assigned https://github.com/dompdf/dompdf/commit/7558f07f693b2ac3266089f21051e6b78c6a0c85 Patch, Third Party Advisory
    Changed Reference Type https://github.com/dompdf/dompdf/releases/tag/v2.0.2 No Types Assigned https://github.com/dompdf/dompdf/releases/tag/v2.0.2 Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/dompdf/dompdf/security/advisories/GHSA-3cw5-7cxw-v5qg No Types Assigned https://github.com/dompdf/dompdf/security/advisories/GHSA-3cw5-7cxw-v5qg Exploit, Third Party Advisory
    Added CWE NIST CWE-863
    Added CPE Configuration OR *cpe:2.3:a:dompdf_project:dompdf:2.0.1:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 10
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

57.10 }} 2.32%

score

0.97999

percentile