CVE-2019-8279: Multiple stored XSS in Vanilla Forums before 2.5 allow remote attackers to inject arbitrary JavaScript code in

Q: How do I fix CVE-2019-8279?

vanilla forums: upgrade to 2.5.0. Exact commands for each OS are on this page.

Q: Is CVE-2019-8279 being exploited?

CVE-2019-8279 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-8279 affect?

CVE-2019-8279 affects vanilla forums. Severity is medium (CVSS 5.4). Multiple stored XSS in Vanilla Forums before 2.5 allow remote attackers to inject arbitrary JavaScript code into any message on forum.

Q: How urgent is CVE-2019-8279?

Priority 38/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2019-8279 is a medium-severity flaw (CVSS 5.4) affecting vanilla forums. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-03-02
Last modified	2026-06-17

Publisher (CNA): Kaspersky Labs · Vendor: vanillaforums

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-03-02 01:29 UTCPublished CVE record published
2026-06-17 02:41 UTCUpdated Record last modified

vanillaforums vanilla forums UPGRADE

Affected: < 2.5.0

Fixed in: 2.5.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy vanilla-forums || rpm -q vanilla-forums || vanilla-forums --version

2. UPGRADE to 2.5.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade vanilla-forums

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade vanilla-forums

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-8279?

vanilla forums: upgrade to 2.5.0. Exact commands for each OS are on this page.

Is CVE-2019-8279 being exploited?

CVE-2019-8279 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-8279 affect?

CVE-2019-8279 affects vanilla forums. Severity is medium (CVSS 5.4). Multiple stored XSS in Vanilla Forums before 2.5 allow remote attackers to inject arbitrary JavaScript code into any message on forum.

How urgent is CVE-2019-8279?

Priority 38/100. Public exploit reference

Related CVEs

CVE-2018-15833 MEDIUM 4.3 UPGRADE In Vanilla before 2.6.1, the polling functionality allows Insecure Direct Object Reference (IDOR) via the Poll
CVE-2017-1000432 HIGH 8.0 UPGRADE Vanilla Forums below 2.1.5 are affected by CSRF leading to Deleting topics and comments from forums Admin acce
CVE-2014-9685 MEDIUM 4.3 UPGRADE DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in Vanilla Forums before 2.0.18.13 and 2.1.x before 2.1.1
CVE-2012-4954 LOW 3.5 UPGRADE UPGRADE The edit-profile page in Vanilla Forums before 2.1a32 allows remote authenticated users to modify arbitrary pr
CVE-2010-4266 MEDIUM 6.1 UPGRADE It was found in vanilla forums before 2.0.10 a potential linkbait vulnerability in dispatcher.

References

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