CVE-2023-2353: The CHP Ads Block Detector plugin for WordPress is vulnerable to unauthorized plugin settings update and reset

Q: How do I fix CVE-2023-2353?

chp ads block detector: upgrade to newer than 3.9.4. Exact commands for each OS are on this page.

Q: Is CVE-2023-2353 being exploited?

CVE-2023-2353 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-2023-2353 affect?

CVE-2023-2353 affects chp ads block detector. Severity is medium (CVSS 4.3). The CHP Ads Block Detector plugin for WordPress is vulnerable to unauthorized plugin settings update and reset due to a missing capability check on the chp_abd_action function in versions up to, and including, 3.9.4. This makes it possible

Q: How urgent is CVE-2023-2353?

Priority 26/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2023-2353 is a medium-severity flaw (CVSS 4.3) affecting chp ads block detector. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The CHP Ads Block Detector plugin for WordPress is vulnerable to unauthorized plugin settings update and reset due to a missing capability check on the chp_abd_action function in versions up to, and including, 3.9.4. This makes it possible for subscriber-level attackers to change or reset plugin settings. CVE-2023-36509 appears to be a duplicate of this issue.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-862
Published	2023-08-31
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: sureshchand

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

Am I affected?

Timeline

2023-08-31 06:15 UTCPublished CVE record published
2026-06-17 05:52 UTCUpdated Record last modified

sureshchand chp ads block detector UPGRADE

Affected: <= 3.9.4

Fixed in: newer than 3.9.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy chp-ads-block-detector || rpm -q chp-ads-block-detector || chp-ads-block-detector --version

2. UPGRADE to newer than 3.9.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chp-ads-block-detector

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chp-ads-block-detector

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-2023-2353?

chp ads block detector: upgrade to newer than 3.9.4. Exact commands for each OS are on this page.

Is CVE-2023-2353 being exploited?

CVE-2023-2353 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-2023-2353 affect?

CVE-2023-2353 affects chp ads block detector. Severity is medium (CVSS 4.3). The CHP Ads Block Detector plugin for WordPress is vulnerable to unauthorized plugin settings update and reset due to a missing capability check on the chp_abd_action function in versions up to, and including, 3.9.4. This makes it possible

How urgent is CVE-2023-2353?

Priority 26/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-2354 MEDIUM 4.9 UPGRADE The CHP Ads Block Detector plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin setting
CVE-2023-2352 MEDIUM 4.3 UPGRADE The CHP Ads Block Detector plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to,

References

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