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CVE-2025-3526: SessionClicks in Liferay Portal 7.0.0 through 7.4.3.21, and Liferay DXP 7.4 GA through update 9, 7.3 GA throug

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HIGH 7.5REMOTEUPGRADEUPGRADE

CVE-2025-3526 is a high-severity flaw (CVSS 7.5) affecting digital experience platform, liferay portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SessionClicks in Liferay Portal 7.0.0 through 7.4.3.21, and Liferay DXP 7.4 GA through update 9, 7.3 GA through update 25, and older unsupported versions does not restrict the saving of request parameters in the HTTP session, which allows remote attackers to consume system memory leading to denial-of-service (DoS) conditions via crafted HTTP requests.

Why this priority

  • High severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.6% (top 49%)
CISA exploited listNo
WeaknessCWE-400
Published2025-06-16
Last modified2026-06-17
Publisher (CNA): Liferay Inc. · Vendor: liferay

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

Am I affected?

Timeline

liferay digital experience platform UPGRADE
Affected: >= 7.0 and <= 7.2 · 7.3 · 7.3 update1 · 7.3 update10 · 7.3 update11 · 7.3 update12 · 7.3 update13 · 7.3 update14
Fixed in: newer than 7.2
Safe to downgrade to: a release before 7.0
1. Check installed version
apt-cache policy digital-experience-platform || rpm -q digital-experience-platform || digital-experience-platform --version
2. UPGRADE to newer than 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.
3. If no update is available yet, DOWNGRADE to a release before 7.0 (Debian / Ubuntu)
apt-cache madison digital-experience-platform sudo apt install digital-experience-platform=<VERSION_BEFORE_7.0> sudo apt-mark hold digital-experience-platform
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list digital-experience-platform sudo dnf downgrade digital-experience-platform-<VERSION_BEFORE_7.0> sudo dnf versionlock add digital-experience-platform
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 liferay portal UPGRADE
Affected: >= 7.0.0 and <= 7.4.3.21 · 6.2
Fixed in: newer than 7.4.3.21
Safe to downgrade to: a release before 6.2
1. Check installed version
apt-cache policy liferay-portal || rpm -q liferay-portal || liferay-portal --version
2. UPGRADE to newer than 7.4.3.21 (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 6.2 (Debian / Ubuntu)
apt-cache madison liferay-portal sudo apt install liferay-portal=<VERSION_BEFORE_6.2> 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_6.2> 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.
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-2025-3526?

digital experience platform: upgrade to newer than 7.2; liferay portal: upgrade to newer than 7.4.3.21. Exact commands for each OS are on this page.

Is CVE-2025-3526 being exploited?

CVE-2025-3526 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-2025-3526 affect?

CVE-2025-3526 affects digital experience platform, liferay portal. Severity is high (CVSS 7.5). SessionClicks in Liferay Portal 7.0.0 through 7.4.3.21, and Liferay DXP 7.4 GA through update 9, 7.3 GA through update 25, and older unsupported versions does not restrict the saving of request parameters in the HTTP session, which allows r

How urgent is CVE-2025-3526?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

Software pages

Liferay vulnerabilities

Related CVEs

References

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