CVE-2024-6864: The WP Last Modified Info plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘template’

Q: How do I fix CVE-2024-6864?

wp last modified info: upgrade to 1.9.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-6864 being exploited?

CVE-2024-6864 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-2024-6864 affect?

CVE-2024-6864 affects wp last modified info. Severity is medium (CVSS 6.4). The WP Last Modified Info plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘template’ attribute of the lmt-post-modified-info shortcode in all versions up to, and including, 1.9.0 due to insufficient input sanitizat

Q: How urgent is CVE-2024-6864?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2024-6864 is a medium-severity flaw (CVSS 6.4) affecting wp last modified info. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WP Last Modified Info plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘template’ attribute of the lmt-post-modified-info shortcode in all versions up to, and including, 1.9.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injec

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-08-20
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: sayandatta

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

Am I affected?

Timeline

2024-08-20 05:15 UTCPublished CVE record published
2026-06-17 08:18 UTCUpdated Record last modified

sayandatta wp last modified info UPGRADE

Affected: < 1.9.1

Fixed in: 1.9.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-last-modified-info || rpm -q wp-last-modified-info || wp-last-modified-info --version

2. UPGRADE to 1.9.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-last-modified-info

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-last-modified-info

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-2024-6864?

wp last modified info: upgrade to 1.9.1. Exact commands for each OS are on this page.

Is CVE-2024-6864 being exploited?

CVE-2024-6864 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-2024-6864 affect?

CVE-2024-6864 affects wp last modified info. Severity is medium (CVSS 6.4). The WP Last Modified Info plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘template’ attribute of the lmt-post-modified-info shortcode in all versions up to, and including, 1.9.0 due to insufficient input sanitizat

How urgent is CVE-2024-6864?

Priority 29/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

References

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