Vulnerability · Published May 27, 2021 · Assigned by jpcert
CVE-2021-20727
Medium 6.1
In plain English
A medium-severity security flaw in Zettlr from Hendrik Erz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.0%top 35.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Cross-site scripting vulnerability in Zettlr from 0.20.0 to 1.8.8 allows an attacker to execute an arbitrary script by loading a file or code snippet containing an invalid iframe into Zettlr.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hendrik Erz | Zettlr | from 0.20.0 to 1.8.8 |
References
- https://www.zettlr.com/ x_refsource_MISC
- https://github.com/Zettlr/Zettlr x_refsource_MISC
- https://jvn.jp/en/jp/JVN98239374/index.html x_refsource_MISC