CVE-2021-24957: The Advanced Page Visit Counter WordPress plugin before 6.1.6 does not escape the artID parameter before using

Q: How do I fix CVE-2021-24957?

advanced page visit counter: upgrade to 6.1.6. Exact commands for each OS are on this page.

Q: Is CVE-2021-24957 being exploited?

CVE-2021-24957 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-2021-24957 affect?

CVE-2021-24957 affects advanced page visit counter. Severity is high (CVSS 8.8). The Advanced Page Visit Counter WordPress plugin before 6.1.6 does not escape the artID parameter before using it in a SQL statement in the apvc_reset_count_art AJAX action, available to any authenticated user, leading to a SQL injection

Q: How urgent is CVE-2021-24957?

Priority 54/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2021-24957 is a high-severity flaw (CVSS 8.8) affecting advanced page visit counter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Advanced Page Visit Counter WordPress plugin before 6.1.6 does not escape the artID parameter before using it in a SQL statement in the apvc_reset_count_art AJAX action, available to any authenticated user, leading to a SQL injection

Why this priority

High severity
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	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-04-25
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: advanced page visit counter project

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

Am I affected?

Timeline

2022-04-25 16:16 UTCPublished CVE record published
2026-06-17 03:41 UTCUpdated Record last modified

advanced page visit counter project advanced page visit counter UPGRADE

Affected: < 6.1.6

Fixed in: 6.1.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy advanced-page-visit-counter || rpm -q advanced-page-visit-counter || advanced-page-visit-counter --version

2. UPGRADE to 6.1.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade advanced-page-visit-counter

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade advanced-page-visit-counter

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-2021-24957?

advanced page visit counter: upgrade to 6.1.6. Exact commands for each OS are on this page.

Is CVE-2021-24957 being exploited?

CVE-2021-24957 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-2021-24957 affect?

CVE-2021-24957 affects advanced page visit counter. Severity is high (CVSS 8.8). The Advanced Page Visit Counter WordPress plugin before 6.1.6 does not escape the artID parameter before using it in a SQL statement in the apvc_reset_count_art AJAX action, available to any authenticated user, leading to a SQL injection

How urgent is CVE-2021-24957?

Priority 54/100. High severity; Public exploit reference

Software pages

WordPress vulnerabilities

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References

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