CVE-2019-14790: The limb-gallery (aka Limb Gallery) plugin 1.4.0 for WordPress has XSS via the wp-admin/admin-ajax.php?action=

Q: How do I fix CVE-2019-14790?

limb-gallery: upgrade to newer than 1.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2019-14790 being exploited?

CVE-2019-14790 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-2019-14790 affect?

CVE-2019-14790 affects limb-gallery. Severity is medium (CVSS 6.1). The limb-gallery (aka Limb Gallery) plugin 1.4.0 for WordPress has XSS via the wp-admin/admin-ajax.php?action=grsGalleryAjax&grsAction=shortcode task parameter,

Q: How urgent is CVE-2019-14790?

Priority 44/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2019-14790 is a medium-severity flaw (CVSS 6.1) affecting limb-gallery. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The limb-gallery (aka Limb Gallery) plugin 1.4.0 for WordPress has XSS via the wp-admin/admin-ajax.php?action=grsGalleryAjax&grsAction=shortcode task parameter,

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-08-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: limbcode

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

Am I affected?

Timeline

2019-08-15 15:15 UTCPublished CVE record published
2026-06-17 02:19 UTCUpdated Record last modified

limbcode limb-gallery UPGRADE

Affected: <= 1.4.0

Fixed in: newer than 1.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.4.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade limb-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-2019-14790?

limb-gallery: upgrade to newer than 1.4.0. Exact commands for each OS are on this page.

Is CVE-2019-14790 being exploited?

CVE-2019-14790 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-2019-14790 affect?

CVE-2019-14790 affects limb-gallery. Severity is medium (CVSS 6.1). The limb-gallery (aka Limb Gallery) plugin 1.4.0 for WordPress has XSS via the wp-admin/admin-ajax.php?action=grsGalleryAjax&grsAction=shortcode task parameter,

How urgent is CVE-2019-14790?

Priority 44/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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