CVE-2022-29436: Persistent Cross-Site Scripting (XSS) vulnerability in Alexander Stokmann's Code Snippets Extended plugin <= 1

Q: How do I fix CVE-2022-29436?

code snippets extended: upgrade to newer than 1.4.7. Exact commands for each OS are on this page.

Q: Is CVE-2022-29436 being exploited?

CVE-2022-29436 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-2022-29436 affect?

CVE-2022-29436 affects code snippets extended. Severity is medium (CVSS 4.7). Persistent Cross-Site Scripting (XSS) vulnerability in Alexander Stokmann's Code Snippets Extended plugin <= 1.4.7 on WordPress via Cross-Site Request Forgery (vulnerable parameters &title, &snippet_code).

Q: How urgent is CVE-2022-29436?

Priority 25/100. No elevated risk signals yet.

Routine

MEDIUM 4.7UPGRADE

CVE-2022-29436 is a medium-severity flaw (CVSS 4.7) affecting code snippets extended. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Persistent Cross-Site Scripting (XSS) vulnerability in Alexander Stokmann's Code Snippets Extended plugin <= 1.4.7 on WordPress via Cross-Site Request Forgery (vulnerable parameters &title, &snippet_code).

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.7 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-79, CWE-352
Published	2022-05-17
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: code snippets extended project

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

Am I affected?

Timeline

2022-05-17 20:15 UTCPublished CVE record published
2026-06-17 04:40 UTCUpdated Record last modified

code snippets extended project code snippets extended UPGRADE

Affected: <= 1.4.7

Fixed in: newer than 1.4.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy code-snippets-extended || rpm -q code-snippets-extended || code-snippets-extended --version

2. UPGRADE to newer than 1.4.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade code-snippets-extended

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade code-snippets-extended

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-2022-29436?

code snippets extended: upgrade to newer than 1.4.7. Exact commands for each OS are on this page.

Is CVE-2022-29436 being exploited?

CVE-2022-29436 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-2022-29436 affect?

CVE-2022-29436 affects code snippets extended. Severity is medium (CVSS 4.7). Persistent Cross-Site Scripting (XSS) vulnerability in Alexander Stokmann's Code Snippets Extended plugin <= 1.4.7 on WordPress via Cross-Site Request Forgery (vulnerable parameters &title, &snippet_code).

How urgent is CVE-2022-29436?

Priority 25/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2022-29435 MEDIUM 5.4 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in Alexander Stokmann's Code Snippets Extended plugin <= 1.4.7
CVE-2022-29429 HIGH 8.8 UPGRADE Remote Code Execution (RCE) in Alexander Stokmann's Code Snippets Extended plugin <= 1.4.7 on WordPress via Cr

References

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