CVE-2023-2636: The AN_GradeBook WordPress plugin through 5.0.1 does not properly sanitise and escape a parameter before using

Q: How do I fix CVE-2023-2636?

an gradebook: upgrade to newer than 5.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-2636 being exploited?

CVE-2023-2636 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-2023-2636 affect?

CVE-2023-2636 affects an gradebook. Severity is high (CVSS 8.8). The AN_GradeBook WordPress plugin through 5.0.1 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by users with a role as low as subscriber

Q: How urgent is CVE-2023-2636?

Priority 59/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2023-2636 is a high-severity flaw (CVSS 8.8) affecting an gradebook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The AN_GradeBook WordPress plugin through 5.0.1 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by users with a role as low as subscriber

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	6.9% (top 6%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-07-17
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: an gradebook project

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

Am I affected?

Timeline

2023-07-17 14:15 UTCPublished CVE record published
2026-06-17 05:53 UTCUpdated Record last modified

an gradebook project an gradebook UPGRADE

Affected: <= 5.0.1

Fixed in: newer than 5.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy an-gradebook || rpm -q an-gradebook || an-gradebook --version

2. UPGRADE to newer than 5.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade an-gradebook

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade an-gradebook

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: WordPress Plugin AN_Gradebook 5.0.1 - SQLi

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-2023-2636?

an gradebook: upgrade to newer than 5.0.1. Exact commands for each OS are on this page.

Is CVE-2023-2636 being exploited?

CVE-2023-2636 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-2023-2636 affect?

CVE-2023-2636 affects an gradebook. Severity is high (CVSS 8.8). The AN_GradeBook WordPress plugin through 5.0.1 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by users with a role as low as subscriber

How urgent is CVE-2023-2636?

Priority 59/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-2709 MEDIUM 4.8 UPGRADE The AN_GradeBook WordPress plugin through 5.0.1 does not sanitise and escape some of its settings, which could

References

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