# CVE-2026-121588: TeXlyre from 0.11.0 before 0.13.5 Stored XSS via Recipe Icon Import

Status: published. Published: 2026-11-03. Updated: 2026-11-03.

TeXlyre from 0.11.0 before 0.13.5 contains a stored cross-site scripting vulnerability that allows attackers to execute script by supplying malicious LSP or typesetter recipe icons. Attackers can trick victims into importing a recipe whose icon contains an HTML event handler, persistently accessing local projects and repository credentials.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://github.com/TeXlyre/texlyre/commit/92b50ca050af8473f0fd51a048a7e1d60dcdb2dc

## Affected products and versions

- TeXlyre / texlyre (TeXlyre/texlyre): ≥ 0.11.0; < 0.13.5 (affected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 6.1 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N; source: CNA: VulnCheck

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: disclosure@vulncheck.com

- CVSS 3.1: 6.1 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N; source: NVD: disclosure@vulncheck.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-79

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/TeXlyre/texlyre/security/advisories/GHSA-gg75-v533-34cq (CNA: VulnCheck; vendor-advisory)

- https://github.com/TeXlyre/texlyre/commit/92b50ca050af8473f0fd51a048a7e1d60dcdb2dc (CNA: VulnCheck; patch)

- https://github.com/TeXlyre/texlyre/blob/9621db54893cc2203be5aed8615f54a17653be4d/src/components/settings/ToolConfigCards.tsx#L174 (CNA: VulnCheck; technical-description)

- https://www.vulncheck.com/advisories/texlyre-from-0.11.0-before-0.13.5-stored-xss-via-recipe-icon-import (CNA: VulnCheck; third-party-advisory)

- https://github.com/TeXlyre/texlyre/blob/9621db54893cc2203be5aed8615f54a17653be4d/src/components/settings/ToolConfigCards.tsx#L174 (disclosure@vulncheck.com)

- https://github.com/TeXlyre/texlyre/commit/92b50ca050af8473f0fd51a048a7e1d60dcdb2dc (disclosure@vulncheck.com)

- https://github.com/TeXlyre/texlyre/security/advisories/GHSA-gg75-v533-34cq (disclosure@vulncheck.com)

- https://www.vulncheck.com/advisories/texlyre-from-0.11.0-before-0.13.5-stored-xss-via-recipe-icon-import (disclosure@vulncheck.com)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-121588; retrieved 2026-11-03; source updated 2026-11-03

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-121588; retrieved 2026-11-03; source updated 2026-11-03

Revision: fa6a01e211bbf4d6ab3b6ad0fb0153a5f5dd5a258992afdbabed2ed7d7cb7940

Canonical: https://y2.dev/cve/CVE-2026-121588

## Agent and API access

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- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

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- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

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