What is CVE-2019-8279?

CVE-2019-8279 is a medium-severity vulnerability in Kaspersky Lab Vanilla Forums, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-03-02.

How severe is CVE-2019-8279?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Kaspersky Lab Vanilla Forums

CVE-2019-8279

Multiple stored XSS in Vanilla Forums before 2.5 allow remote attackers to inject arbitrary JavaScript code into any message on forum.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-03-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Kaspersky Lab Vanilla Forums — versions Before 2.5
Vanillaforums Vanilla Forums

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

scriptinjection.blogspot.com/2019/02/vanilla-forums-25-stored-xss-in-any.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-8279?: CVE-2019-8279 is a medium-severity vulnerability in Kaspersky Lab Vanilla Forums, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-03-02.
How severe is CVE-2019-8279?: Medium severity. CVSS v3 base score is 5.4 out of 10.