In short
- CVE-2021-40509 is a MEDIUM (CVSS 5.4) vulnerability affecting jforum (jforum).
- Chance of exploitation in the next 30 days (EPSS): 0.96%, higher than 61.6% of all vulnerabilities.
- No patched version is listed yet: follow the vendor's advisory in References.
| Package | Affected versions | Patched versions |
|---|
| jforum | = 2.7.0
| No fix yet |
Description
ViewCommon.java in JForum2 2.7.0 allows XSS via a user signature.
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