PT-2025-31054 · Prettier · Prettier

Dayshift · Published 2025-07-28 · Updated 2025-07-31 · CVE-2025-8263

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions prettier versions up to 3.6.2

Description A vulnerability exists in prettier due to inefficient regular expression complexity within the parseNestedCSS function of the src/language-css/parser-postcss.js file. The manipulation of the node argument can trigger this issue. The attack can be launched remotely, and the exploit has been publicly disclosed.

Recommendations Versions prior to 3.6.2 are not affected. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

DoS

Weakness Enumeration

CWE-400

CWE-1333

Related Identifiers

CVE-2025-8263

Affected Products

Prettier

References · 10

• 🔥 https://github.com/prettier/prettier/issues/17737 · Exploit
• 🔥 https://github.com/prettier/prettier/issues/17737#issue-3238184068 · Exploit
• https://osv.dev/vulnerability/CVE-2025-8263 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-8263 · Security Note
• https://t.me/cveNotify/130451 · Telegram Post
• https://vuldb.com/?submit.617593 · Note
• https://t.me/CVEtracker/28544 · Telegram Post
• https://vuldb.com/?id.317851 · Note
• https://twitter.com/CVEnew/status/1949740195793809557 · Twitter Post
• https://vuldb.com/?ctiid.317851 · Note