Vulnerability · Published May 7, 2024 · Assigned by GitHub_M

CVE-2024-34342react-pdf's PDF.js vulnerable to arbitrary JavaScript execution upon opening a malicious PDF

High 7.1

In plain English

A high-severity cross-site scripting in react-pdf from wojtekmaj. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.1High

Exploit odds (30 days)1.1%top 35.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	react-pdf	7.7.3	GHSA-87hq-q4gp-9wr4
npm	react-pdf	8.0.2	GHSA-87hq-q4gp-9wr4

Affected products (as reported)

Vendor	Product	Versions
wojtekmaj	react-pdf	< 7.7.3>= 8.0.0, < 8.0.2

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L

References

https://github.com/wojtekmaj/react-pdf/security/advisories/GHSA-87hq-q4gp-9wr4 x_refsource_CONFIRM
https://github.com/mozilla/pdf.js/security/advisories/GHSA-wgrm-67xf-hhpq x_refsource_MISC
https://github.com/mozilla/pdf.js/pull/18015 x_refsource_MISC
https://github.com/mozilla/pdf.js/commit/85e64b5c16c9aaef738f421733c12911a441cec6 x_refsource_MISC
https://github.com/wojtekmaj/react-pdf/commit/208f28dd47fe38c33ce4bac4205b2b0a0bb207fe x_refsource_MISC
https://github.com/wojtekmaj/react-pdf/commit/671e6eaa2e373e404040c13cc6b668fe39839cad x_refsource_MISC