CVE-2023-0520: The RapidExpCart WordPress plugin through 1.0 does not sanitize and escape the url parameter in the rapidexpca

Q: How do I fix CVE-2023-0520?

rapidexpcart: upgrade to newer than 1.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-0520 being exploited?

CVE-2023-0520 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-0520 affect?

CVE-2023-0520 affects rapidexpcart. Severity is medium (CVSS 5.4). The RapidExpCart WordPress plugin through 1.0 does not sanitize and escape the url parameter in the rapidexpcart endpoint before storing it and outputting it back in the page, leading to a Stored Cross-Site Scripting vulnerability which cou

Q: How urgent is CVE-2023-0520?

Priority 28/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2023-0520 is a medium-severity flaw (CVSS 5.4) affecting rapidexpcart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The RapidExpCart WordPress plugin through 1.0 does not sanitize and escape the url parameter in the rapidexpcart endpoint before storing it and outputting it back in the page, leading to a Stored Cross-Site Scripting vulnerability which could be used against high-privilege users such as admin, furthermore lack of csrf protection means an attacker can trick a logged in admin to perform the attack by submitting a hidden form.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

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 85%)
CISA exploited list	No
Published	2023-05-15
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: rapidexp

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

Am I affected?

Timeline

2023-05-15 13:15 UTCPublished CVE record published
2026-06-17 05:25 UTCUpdated Record last modified

rapidexp rapidexpcart UPGRADE

Affected: <= 1.0

Fixed in: newer than 1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade rapidexpcart

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2023-0520?

rapidexpcart: upgrade to newer than 1.0. Exact commands for each OS are on this page.

Is CVE-2023-0520 being exploited?

CVE-2023-0520 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-2023-0520 affect?

CVE-2023-0520 affects rapidexpcart. Severity is medium (CVSS 5.4). The RapidExpCart WordPress plugin through 1.0 does not sanitize and escape the url parameter in the rapidexpcart endpoint before storing it and outputting it back in the page, leading to a Stored Cross-Site Scripting vulnerability which cou

How urgent is CVE-2023-0520?

Priority 28/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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