CVE-2023-2028: The Call Now Accessibility Button WordPress plugin before 1.1 does not properly sanitize some of its settings,

Q: How do I fix CVE-2023-2028?

call now accessibility button: upgrade to 1.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-2028 being exploited?

CVE-2023-2028 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-2023-2028 affect?

CVE-2023-2028 affects call now accessibility button. Severity is medium (CVSS 4.8). The Call Now Accessibility Button WordPress plugin before 1.1 does not properly sanitize some of its settings, which could allow high-privilege users to perform Stored Cross-Site Scripting (XSS) attacks even when the unfiltered_html capabil

Q: How urgent is CVE-2023-2028?

Priority 33/100. Public exploit reference

Routine

MEDIUM 4.8UPGRADE

CVE-2023-2028 is a medium-severity flaw (CVSS 4.8) affecting call now accessibility button. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Call Now Accessibility Button WordPress plugin before 1.1 does not properly sanitize some of its settings, which could allow high-privilege users to perform Stored Cross-Site Scripting (XSS) attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Published	2023-07-10
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: stpetedesign

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

Am I affected?

Timeline

2023-07-10 16:15 UTCPublished CVE record published
2026-06-17 05:51 UTCUpdated Record last modified

stpetedesign call now accessibility button UPGRADE

Affected: < 1.1

Fixed in: 1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy call-now-accessibility-button || rpm -q call-now-accessibility-button || call-now-accessibility-button --version

2. UPGRADE to 1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade call-now-accessibility-button

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade call-now-accessibility-button

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-2023-2028?

call now accessibility button: upgrade to 1.1. Exact commands for each OS are on this page.

Is CVE-2023-2028 being exploited?

CVE-2023-2028 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-2023-2028 affect?

CVE-2023-2028 affects call now accessibility button. Severity is medium (CVSS 4.8). The Call Now Accessibility Button WordPress plugin before 1.1 does not properly sanitize some of its settings, which could allow high-privilege users to perform Stored Cross-Site Scripting (XSS) attacks even when the unfiltered_html capabil

How urgent is CVE-2023-2028?

Priority 33/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-2635 MEDIUM 4.8 DOWNGRADE The Call Now Accessibility Button WordPress plugin before 1.1 does not sanitise and escape some of its setting
CVE-2023-28933 MEDIUM 5.9 UPGRADE Auth

References

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