CVE-2026-82805Typora Mermaid Rendering cross site scripting
Updated under an hour ago ()
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It affects n/a Typora. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A vulnerability was found in Typora up to 1.13.8/1.14.6. This vulnerability affects unknown code of the component Mermaid Rendering Engine. The manipulation of the argument classDef/style results in cross site scripting. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 1.14.8 is able to resolve this issue. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
- CVSS
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-79, CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 31, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
n/a Typora typora:typora | 1.13.0; 1.13.1; 1.13.2; 1.13.3; 1.13.4; 1.13.5; 1.13.6; 1.13.7; and 9 more ranges | CNA record |
References
- https://vuldb.com/vuln/397225vdb-entry, technical-description
- https://vuldb.com/vuln/397225/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-82805third-party-advisory
- https://vuldb.com/submit/863528third-party-advisory
- https://github.com/zzk6th/cve/issues/5exploit, issue-tracking
- https://typora.io/releases/allpatch
- https://typora.io/#downloadpatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.