CVE-2019-7551: Cantemo Portal before 3.2.13, 3.3.x before 3.3.8, and 3.4.x before 3.4.9 has XSS

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CRITICAL 9.0UPGRADE

CVE-2019-7551 is a critical-severity flaw (CVSS 9.0) affecting portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cantemo Portal before 3.2.13, 3.3.x before 3.3.8, and 3.4.x before 3.4.9 has XSS. Leveraging this vulnerability would enable performing actions as users, including administrative users. This could enable account creation and deletion as well as deletion of information contained within the app.

Why this priority

Critical severity
Public exploit reference

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	1.7% (top 22%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-04-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cantemo

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

Am I affected?

Timeline

2019-04-10 17:29 UTCPublished CVE record published
2026-06-17 02:40 UTCUpdated Record last modified

cantemo portal UPGRADE

Affected: < 3.2.13 · >= 3.3.0 and < 3.3.8 · >= 3.4.0 and < 3.4.9

Fixed in: 3.2.13, 3.3.8, 3.4.9

Safe to downgrade to: a release before 3.3.0

1. Check installed version

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

2. UPGRADE to 3.2.13 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade 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 3.3.0 (Debian / Ubuntu)

apt-cache madison portal sudo apt install portal=<VERSION_BEFORE_3.3.0> sudo apt-mark hold portal

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

dnf --showduplicates list portal sudo dnf downgrade portal-<VERSION_BEFORE_3.3.0> sudo dnf versionlock add 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-2019-7551?

portal: upgrade to 3.2.13, 3.3.8, 3.4.9. Exact commands for each OS are on this page.

Is CVE-2019-7551 being exploited?

CVE-2019-7551 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-2019-7551 affect?

CVE-2019-7551 affects portal. Severity is critical (CVSS 9.0). Cantemo Portal before 3.2.13, 3.3.x before 3.3.8, and 3.4.x before 3.4.9 has XSS. Leveraging this vulnerability would enable performing actions as users, including administrative users. This could enable account creation and deletion as wel

How urgent is CVE-2019-7551?

Priority 56/100. Critical severity; Public exploit reference

Related CVEs

CVE-2026-24778 HIGH 8.8 UPGRADE UPGRADE Ghost is an open source content management system
CVE-2019-13343 HIGH 7.5 UPGRADE Butor Portal before 1.0.27 is affected by a Path Traversal vulnerability leading to a pre-authentication arbit

References

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