CVE-2023-0992: The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and i

Q: How do I fix CVE-2023-0992?

shield security: upgrade to newer than 17.0.17. Exact commands for each OS are on this page.

Q: Is CVE-2023-0992 being exploited?

CVE-2023-0992 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-2023-0992 affect?

CVE-2023-0992 affects shield security. Severity is high (CVSS 7.2). The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web script

Q: How urgent is CVE-2023-0992?

Priority 55/100. High severity; EPSS top 1%: very likely to be exploited; Remotely exploitable, no login, no user action

This week

HIGH 7.2REMOTEUPGRADE

CVE-2023-0992 is a high-severity flaw (CVSS 7.2) affecting shield security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Why this priority

High severity
EPSS top 1%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	93.0% (top 1%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-06-09
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: getshieldsecurity

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

Am I affected?

Timeline

2023-06-09 06:15 UTCPublished CVE record published
2026-06-17 05:26 UTCUpdated Record last modified

getshieldsecurity shield security UPGRADE

Affected: <= 17.0.17

Fixed in: newer than 17.0.17

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy shield-security || rpm -q shield-security || shield-security --version

2. UPGRADE to newer than 17.0.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade shield-security

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade shield-security

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-2023-0992?

shield security: upgrade to newer than 17.0.17. Exact commands for each OS are on this page.

Is CVE-2023-0992 being exploited?

CVE-2023-0992 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-2023-0992 affect?

CVE-2023-0992 affects shield security. Severity is high (CVSS 7.2). The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web script

How urgent is CVE-2023-0992?

Priority 55/100. High severity; EPSS top 1%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-7313 MEDIUM 6.1 UPGRADE The Shield Security WordPress plugin before 20.0.6 does not sanitise and escape a parameter before outputting
CVE-2024-22163 HIGH 7.1 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Shield S
CVE-2023-0993 MEDIUM 4.3 UPGRADE The Shield Security plugin for WordPress is vulnerable to Missing Authorization on the 'theme-plugin-file' AJA

References

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