Vulnerability · Published Sep 4, 2021 · Assigned by mitre

CVE-2021-40509

Medium 5.4

In plain English

A medium-severity security flaw in the affected software. 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 62% of all known vulnerabilities).

Severity (CVSS NVD)5.4Medium

Exploit odds (30 days)1.0%top 38.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

ViewCommon.java in JForum2 2.7.0 allows XSS via a user signature.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/164045/jforum-2.7.0-Cross-Site-Scripting.html x_refsource_MISC
https://lists.openwall.net/full-disclosure/2021/09/03/7 x_refsource_MISC
https://sourceforge.net/p/jforum2/code/934/ x_refsource_MISC
20210907 Re: a xss vulnerability in Jforum 2.7.0 mailing-list, x_refsource_FULLDISC