CVE-2022-3847: The Showing URL in QR Code WordPress plugin through 0.0.1 does not have CSRF check when updating its settings,

Routine

MEDIUM 6.1DOWNGRADE

CVE-2022-3847 is a medium-severity flaw (CVSS 6.1) affecting showing url in qr code. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Showing URL in QR Code WordPress plugin through 0.0.1 does not have CSRF check when updating its settings, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin or editor add Stored XSS payloads via a CSRF attack

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Published	2022-11-28
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: showing url in qr code project

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

Am I affected?

Timeline

2022-11-28 14:15 UTCPublished CVE record published
2026-06-17 05:00 UTCUpdated Record last modified

showing url in qr code project showing url in qr code DOWNGRADE

Affected: 0.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.0.1

1. Check installed version

apt-cache policy showing-url-in-qr-code || rpm -q showing-url-in-qr-code || showing-url-in-qr-code --version

2. No fixed release: DOWNGRADE to a release before 0.0.1 (Debian / Ubuntu)

apt-cache madison showing-url-in-qr-code sudo apt install showing-url-in-qr-code=<VERSION_BEFORE_0.0.1> sudo apt-mark hold showing-url-in-qr-code

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

dnf --showduplicates list showing-url-in-qr-code sudo dnf downgrade showing-url-in-qr-code-<VERSION_BEFORE_0.0.1> sudo dnf versionlock add showing-url-in-qr-code

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-2022-3847?

showing url in qr code: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-3847 being exploited?

CVE-2022-3847 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-2022-3847 affect?

CVE-2022-3847 affects showing url in qr code. Severity is medium (CVSS 6.1). The Showing URL in QR Code WordPress plugin through 0.0.1 does not have CSRF check when updating its settings, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin or editor add Stored XSS pay

How urgent is CVE-2022-3847?

Priority 32/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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