Vulnerability · Published Sep 21, 2021 · Assigned by jpcert
CVE-2021-20829
Medium 6.1
In plain English
A medium-severity security flaw in GROWI from WESEEK, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities).
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)0.8%top 44.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Cross-site scripting vulnerability due to the inadequate tag sanitization in GROWI versions v4.2.19 and earlier allows remote attackers to execute an arbitrary script on the web browser of the user who accesses a specially crafted page.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WESEEK, Inc. | GROWI | versions v4.2.19 and earlier |
References
- https://jvn.jp/en/vu/JVNVU94889258/index.html x_refsource_MISC
- https://weseek.co.jp/security/2021/09/17/vulnerability/growi-prevent-multiple-xss-addition/ x_refsource_MISC