Auth bypass in Dompdf
CVE-2023-23924
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 wrappe…
EPSS: 0.036 (88.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:H.
Affected products
- Dompdf — versions < 2.0.2
- Dompdf_project Dompdf — versions 2.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2023-23924?
- CVE-2023-23924 is a critical-severity vulnerability in Dompdf, classified under CWE-551. CVSS score: 10.0/10. Published 2023-02-01.
- How severe is CVE-2023-23924?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2023-23924 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.