CVE-2024-3899: The Gallery Plugin for WordPress WordPress plugin before 1.8.15 does not sanitise and escape some of its imag

Q: How do I fix CVE-2024-3899?

envira gallery: upgrade to 1.8.15. Exact commands for each OS are on this page.

Q: Is CVE-2024-3899 being exploited?

CVE-2024-3899 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-2024-3899 affect?

CVE-2024-3899 affects envira gallery. Severity is medium (CVSS 4.8). The Gallery Plugin for WordPress WordPress plugin before 1.8.15 does not sanitise and escape some of its image settings, which could allow users with post-writing privilege such as Author to perform Cross-Site Scripting attacks.

Q: How urgent is CVE-2024-3899?

Priority 29/100. Public exploit reference

Routine

MEDIUM 4.8UPGRADE

CVE-2024-3899 is a medium-severity flaw (CVSS 4.8) affecting envira gallery. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Gallery Plugin for WordPress WordPress plugin before 1.8.15 does not sanitise and escape some of its image settings, which could allow users with post-writing privilege such as Author to perform Cross-Site Scripting attacks.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-09-11
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: enviragallery

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

Am I affected?

Timeline

2024-09-11 06:15 UTCPublished CVE record published
2026-06-17 07:45 UTCUpdated Record last modified

enviragallery envira gallery UPGRADE

Affected: < 1.8.15

Fixed in: 1.8.15

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy envira-gallery || rpm -q envira-gallery || envira-gallery --version

2. UPGRADE to 1.8.15 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade envira-gallery

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade envira-gallery

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-2024-3899?

envira gallery: upgrade to 1.8.15. Exact commands for each OS are on this page.

Is CVE-2024-3899 being exploited?

CVE-2024-3899 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-2024-3899 affect?

CVE-2024-3899 affects envira gallery. Severity is medium (CVSS 4.8). The Gallery Plugin for WordPress WordPress plugin before 1.8.15 does not sanitise and escape some of its image settings, which could allow users with post-writing privilege such as Author to perform Cross-Site Scripting attacks.

How urgent is CVE-2024-3899?

Priority 29/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-43925 MEDIUM 4.3 UPGRADE Missing Authorization vulnerability in Envira Gallery Team Envira Photo Gallery allows Exploiting Incorrectly

References

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