CVE-2025-65590: nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) via the Blog posts functionality in the Content

Routine

MEDIUM 5.4DOWNGRADE

CVE-2025-65590 is a medium-severity flaw (CVSS 5.4) affecting nopcommerce. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) via the Blog posts functionality in the Content Management area.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-12-16
Last modified	2026-10-13

Publisher (CNA): MITRE · Vendor: nopcommerce

Last updated 2026-10-13 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-16 19:15 UTCPublished CVE record published
2026-10-13 11:10 UTCUpdated Record last modified

nopcommerce nopcommerce DOWNGRADE

Affected: 4.90.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.90.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.90.0 (Debian / Ubuntu)

apt-cache madison nopcommerce sudo apt install nopcommerce=<VERSION_BEFORE_4.90.0> sudo apt-mark hold nopcommerce

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list nopcommerce sudo dnf downgrade nopcommerce-<VERSION_BEFORE_4.90.0> sudo dnf versionlock add nopcommerce

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-2025-65590?

nopcommerce: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-65590 being exploited?

CVE-2025-65590 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-2025-65590 affect?

CVE-2025-65590 affects nopcommerce. Severity is medium (CVSS 5.4). nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) via the Blog posts functionality in the Content Management area.

How urgent is CVE-2025-65590?

Priority 22/100. No elevated risk signals yet.

Related CVEs

CVE-2025-65593 HIGH 8.8 DOWNGRADE nopCommerce 4.90.0 is vulnerable to Cross Site Request Forgery (CSRF) via the Schedule Tasks functionality.
CVE-2025-65589 MEDIUM 6.1 DOWNGRADE nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) via the Attributes functionality.
CVE-2025-65592 MEDIUM 6.1 DOWNGRADE nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) in the product management functionality
CVE-2025-65591 MEDIUM 5.4 DOWNGRADE nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) via the Currencies functionality.
CVE-2021-42193 MEDIUM 6.1 DOWNGRADE nopCommerce 4.40.3 is vulnerable to XSS in the Product Name at /Admin/Product/Edit/[id]

References

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