CVE-2021-24138: Unvalidated input in the AdRotate WordPress plugin, versions before 5.8.4, leads to Authenticated SQL injectio

Q: How do I fix CVE-2021-24138?

adrotate: upgrade to 5.8.4. Exact commands for each OS are on this page.

Q: Is CVE-2021-24138 being exploited?

CVE-2021-24138 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-2021-24138 affect?

CVE-2021-24138 affects adrotate. Severity is medium (CVSS 5.5). Unvalidated input in the AdRotate WordPress plugin, versions before 5.8.4, leads to Authenticated SQL injection via param "id". This requires an admin privileged user.

Q: How urgent is CVE-2021-24138?

Priority 41/100. Public exploit reference

This month

MEDIUM 5.5UPGRADE

CVE-2021-24138 is a medium-severity flaw (CVSS 5.5) affecting adrotate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unvalidated input in the AdRotate WordPress plugin, versions before 5.8.4, leads to Authenticated SQL injection via param "id". This requires an admin privileged user.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-89
Published	2021-03-18
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: ajdg

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

Am I affected?

Timeline

2021-03-18 15:15 UTCPublished CVE record published
2026-06-17 03:39 UTCUpdated Record last modified

ajdg adrotate UPGRADE

Affected: < 5.8.4

Fixed in: 5.8.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 5.8.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade adrotate

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-2021-24138?

adrotate: upgrade to 5.8.4. Exact commands for each OS are on this page.

Is CVE-2021-24138 being exploited?

CVE-2021-24138 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-2021-24138 affect?

CVE-2021-24138 affects adrotate. Severity is medium (CVSS 5.5). Unvalidated input in the AdRotate WordPress plugin, versions before 5.8.4, leads to Authenticated SQL injection via param "id". This requires an admin privileged user.

How urgent is CVE-2021-24138?

Priority 41/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2022-0662 MEDIUM 4.8 UPGRADE The AdRotate WordPress plugin before 5.8.23 does not sanitise and escape Advert Names which could allow high p
CVE-2022-0649 MEDIUM 4.8 UPGRADE The AdRotate WordPress plugin before 5.8.23 does not escape Group Names, which could allow high privilege user

References

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