CVE-2020-19047: Cross Site Request Forgey (CSRF) in iWebShop v5.3 allows remote atatckers to execute arbitrary code via malici

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HIGH 8.8DOWNGRADE

CVE-2020-19047 is a high-severity flaw (CVSS 8.8) affecting iwebshop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Request Forgey (CSRF) in iWebShop v5.3 allows remote atatckers to execute arbitrary code via malicious POST request to the component '/index.php?controller=system&action=admin_edit_act'.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-352
Published	2021-08-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: iwebshop

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

Am I affected?

Timeline

2021-08-31 14:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

iwebshop iwebshop DOWNGRADE

Affected: 5.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.3 (Debian / Ubuntu)

apt-cache madison iwebshop sudo apt install iwebshop=<VERSION_BEFORE_5.3> sudo apt-mark hold iwebshop

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

dnf --showduplicates list iwebshop sudo dnf downgrade iwebshop-<VERSION_BEFORE_5.3> sudo dnf versionlock add iwebshop

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-2020-19047?

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

Is CVE-2020-19047 being exploited?

CVE-2020-19047 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-2020-19047 affect?

CVE-2020-19047 affects iwebshop. Severity is high (CVSS 8.8). Cross Site Request Forgey (CSRF) in iWebShop v5.3 allows remote atatckers to execute arbitrary code via malicious POST request to the component '/index.php?controller=system&action=admin_edit_act'.

How urgent is CVE-2020-19047?

Priority 49/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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