CVE-2024-34342 json
react-pdf's PDF.js vulnerable to arbitrary JavaScript execution upon opening a malicious PDF
published 2024-05-07 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-1513 , GHSA-87hq-q4gp-9wr4
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
react-pdf displays PDFs in React apps. If PDF.js is used to load a malicious PDF, and PDF.js is configured with `isEvalSupported` set to `true` (which is the default value), unrestricted attacker-controlled JavaScript will be executed in the context of the hosting domain. This vulnerability is fixed in 7.7.3 and 8.0.2.
Patch / fix
- npm react-pdf 7.7.3, 8.0.2
- github.com/mozilla/pdf.js@85e64b5 commit
- github.com/wojtekmaj/react-pdf@208f28d commit
- github.com/wojtekmaj/react-pdf@671e6ea commit
- github.com/mozilla/pdf.js#18015 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L |
| GitHub | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | react-pdf | <7.7.3 >=8.0.0, <8.0.2 |
7.7.3 8.0.2 |
Affected products
- wojtekmaj react-pdf
- pdf.js_viewer_project pdf.js_viewer
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
github.com
/mozilla/pdf.js/pull/18015
web
-
github.com
/mozilla/pdf.js/commit/85e64b5c16c9aaef738f421733c12911a441cec6
web
-
github.com
/wojtekmaj/react-pdf/commit/208f28dd47fe38c33ce4bac4205b2b0a0bb207fe
web
-
github.com
/wojtekmaj/react-pdf/commit/671e6eaa2e373e404040c13cc6b668fe39839cad
web
-
github.com
/wojtekmaj/react-pdf/security/advisories/GHSA-87hq-q4gp-9wr4
web
-
github.com
/mozilla/pdf.js/security/advisories/GHSA-wgrm-67xf-hhpq
web
-
nvd.nist.gov
/vuln/detail/CVE-2024-34342
advisory
-
github.com
/wojtekmaj/react-pdf
package
Sources
- CVE List CVE-2024-34342
- GitHub Advisory GHSA-87hq-q4gp-9wr4
- NVD CVE-2024-34342
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.