CVE-2024-26266: Multiple stored cross-site scripting (XSS) vulnerabilities in Liferay Portal 7.2.0 through 7.4.3.13, and older

Q: How do I fix CVE-2024-26266?

liferay portal: upgrade to 7.4.3.14; digital experience platform: upgrade to 7.2. Exact commands for each OS are on this page.

Q: Is CVE-2024-26266 being exploited?

CVE-2024-26266 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-2024-26266 affect?

CVE-2024-26266 affects liferay portal, digital experience platform. Severity is critical (CVSS 9.0). Multiple stored cross-site scripting (XSS) vulnerabilities in Liferay Portal 7.2.0 through 7.4.3.13, and older unsupported versions, and Liferay DXP 7.4 before update 10, 7.3 before update 4, 7.2 before fix pack 17, and older unsupported ve

Q: How urgent is CVE-2024-26266?

Priority 43/100. Critical severity

This month

CRITICAL 9.0UPGRADEUPGRADE

CVE-2024-26266 is a critical-severity flaw (CVSS 9.0) affecting liferay portal, digital experience platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple stored cross-site scripting (XSS) vulnerabilities in Liferay Portal 7.2.0 through 7.4.3.13, and older unsupported versions, and Liferay DXP 7.4 before update 10, 7.3 before update 4, 7.2 before fix pack 17, and older unsupported versions allow remote authenticated users to inject arbitrary web script or HTML via a crafted payload injected into the first/middle/last name text field of the user who creates an entry in the (1) Announcement

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-02-21
Last modified	2026-06-17

Publisher (CNA): Liferay Inc. · Vendor: liferay

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

Am I affected?

Timeline

2024-02-21 03:15 UTCPublished CVE record published
2026-06-17 07:17 UTCUpdated Record last modified

liferay liferay portal UPGRADE

Affected: >= 7.2.0 and < 7.4.3.14

Fixed in: 7.4.3.14

Safe to downgrade to: a release before 7.2.0

1. Check installed version

apt-cache policy liferay-portal || rpm -q liferay-portal || liferay-portal --version

2. UPGRADE to 7.4.3.14 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade liferay-portal

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade liferay-portal

Note

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

3. If no update is available yet, DOWNGRADE to a release before 7.2.0 (Debian / Ubuntu)

apt-cache madison liferay-portal sudo apt install liferay-portal=<VERSION_BEFORE_7.2.0> sudo apt-mark hold liferay-portal

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list liferay-portal sudo dnf downgrade liferay-portal-<VERSION_BEFORE_7.2.0> sudo dnf versionlock add liferay-portal

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

liferay digital experience platform UPGRADE

Affected: < 7.2 · 7.2 · 7.2 fix_pack_1 · 7.2 fix_pack_10 · 7.2 fix_pack_11 · 7.2 fix_pack_12 · 7.2 fix_pack_13 · 7.2 fix_pack_14

Fixed in: 7.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy digital-experience-platform || rpm -q digital-experience-platform || digital-experience-platform --version

2. UPGRADE to 7.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade digital-experience-platform

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade digital-experience-platform

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-2024-26266?

liferay portal: upgrade to 7.4.3.14; digital experience platform: upgrade to 7.2. Exact commands for each OS are on this page.

Is CVE-2024-26266 being exploited?

CVE-2024-26266 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-2024-26266 affect?

CVE-2024-26266 affects liferay portal, digital experience platform. Severity is critical (CVSS 9.0). Multiple stored cross-site scripting (XSS) vulnerabilities in Liferay Portal 7.2.0 through 7.4.3.13, and older unsupported versions, and Liferay DXP 7.4 before update 10, 7.3 before update 4, 7.2 before fix pack 17, and older unsupported ve

How urgent is CVE-2024-26266?

Priority 43/100. Critical severity

Software pages

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References

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