EUVD-2026-37799

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...

CVE-2026-48988

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...

CVE-2026-48988 markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...

@0xwork/connect (>=0.1.0, <=0.1.8), @7n/rules (>=1.0.0, <=1.92.0) +438 more potentially affected by CVE-2026-48988 via markdown-it (>=14.0.0, <=14.1.1)

markdown-it NPM version =14.0.0, =0.1.0, =1.0.0, =4.10.0, =2026.4.23-zh, =2.3.0, =1.0.0, =0.25.7, =0.12.2, =3.0.0, =1.6.8, =8.1.3, =0.1.0, =0.0.1, =0.0.12 and more Source cves: CVE-2026-48988 Source advisory: OSV:GHSA-6V5V-WF23-FMFQ...

@0xwork/connect (>=0.1.0, <=0.1.8), @7n/rules (>=1.0.0, <=1.92.0) +438 more potentially affected by CVE-2026-48988 via markdown-it (>=14.0.0, <=14.1.1)

markdown-it NPM version =14.0.0, =0.1.0, =1.0.0, =4.10.0, =2026.4.23-zh, =2.3.0, =1.0.0, =0.25.7, =0.12.2, =3.0.0, =1.6.8, =8.1.3, =0.1.0, =0.0.1, =0.0.12 and more Source cves: CVE-2026-48988 Source advisory: SNYK:JS-MARKDOWNIT-17353909...

Inefficient Algorithmic Complexity

Overview markdown-it is a modern pluggable markdown parser. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the replaceAt function in the smartquotes rule when processing markdown input with a large number of consecutive quotation marks and the...

NPM: markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations

NPM: markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations vulnerability discovered by ? in WordPress Npm markdown-it versions = 14.1.1...

Inefficient Algorithmic Complexity

Overview org.webjars.npm:markdown-it is a modern pluggable markdown parser. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the replaceAt function in the smartquotes rule when processing markdown input with a large number of consecutive quotation mar...

GHSA-6V5V-WF23-FMFQ markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations

Summary A quadratic time complexity vulnerability exists in markdown-it's smartquotes rule enabled via the typographer: true option. An attacker can craft a markdown input consisting of consecutive quotation marks that causes the parser to consume excessive CPU time, leading to denial of service...

markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations

Summary A quadratic time complexity vulnerability exists in markdown-it's smartquotes rule enabled via the typographer: true option. An attacker can craft a markdown input consisting of consecutive quotation marks that causes the parser to consume excessive CPU time, leading to denial of service...

PT-2026-49555

Name of the Vulnerable Software and Affected Versions markdown-it affected versions not specified Description A quadratic time complexity issue exists in the smartquotes rule when the typographer: true option is enabled. An attacker can provide markdown input containing a large number of...

CVE-2026-48988

creationtimestamp| type| source ---|---|--- 2026-05-23 23:47:27+00:00| published-proof-of-concept| https://github.com/markdown-it/markdown-it/security/advisories/GHSA-6v5v-wf23-fmfq 2026-06-17 22:39:57+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mojeymb5ll2z...

CVE-2026-29082

Kestra is an event-driven orchestration platform. In versions from 1.1.10 and prior, Kestra’s execution-file preview renders user-supplied Markdown .md with markdown-it instantiated as html:true and injects the resulting HTML with Vue’s v-html without sanitisation. At time of publication, there a...

CVE-2026-29082

Kestra, an event-driven orchestration platform, has a Stored XSS risk in versions 1.1.10 and earlier due to the execution-file preview rendering user-supplied Markdown with markdown-it (html: true) and injecting the HTML via Vue’s v-html without sanitisation. This can allow an attacker to inject ...

EUVD-2026-10046

Kestra is an event-driven orchestration platform. In versions from 1.1.10 and prior, Kestra’s execution-file preview renders user-supplied Markdown .md with markdown-it instantiated as html:true and injects the resulting HTML with Vue’s v-html without sanitisation. At time of publication, there a...

CVE-2026-29082 Kestra: Stored Cross-Site Scripting in Markdown File Preview

Kestra is an event-driven orchestration platform. In versions from 1.1.10 and prior, Kestra’s execution-file preview renders user-supplied Markdown .md with markdown-it instantiated as html:true and injects the resulting HTML with Vue’s v-html without sanitisation. At time of publication, there a...

GHSA-WWP2-X4RJ-J8RM NocoDB Vulnerable to Stored Cross-Site Scripting via Rich Text Cells

Summary Rich text cell content rendered via v-html without sanitization, enabling stored XSS. Details Rich text in TextArea.vue was parsed by markdown-it with html: true and injected via v-html without DOMPurify. A user with Editor role can inject arbitrary HTML that executes for all viewers...

GHSA-RCPH-X7MJ-54MM NocoDB Vulnerable to Stored Cross-site Scripting via Comments

Summary Comments rendered via v-html without sanitization, enabling stored XSS. Details Comments in Comments.vue were parsed by markdown-it with html: true and injected via v-html without DOMPurify. A user with Commenter role can inject arbitrary HTML that executes for all viewers. Impact Stored...

NocoDB Vulnerable to Stored Cross-site Scripting via Comments

Summary Comments rendered via v-html without sanitization, enabling stored XSS. Details Comments in Comments.vue were parsed by markdown-it with html: true and injected via v-html without DOMPurify. A user with Commenter role can inject arbitrary HTML that executes for all viewers. Impact Stored...

GHSA-8VM4-G489-V3W7 NocoDB Vulnerable to Stored Cross-Site Scripting via Comments and Rich Text Cells

Summary User-controlled content in comments and rich text cells was rendered via v-html without sanitization, enabling stored XSS. Details Comments in Comments.vue and rich text in TextArea.vue were parsed by markdown-it with html: true and injected via v-html. The codebase had vue-dompurify-html...