CVE-2022-4829: The Show-Hide / Collapse-Expand WordPress plugin before 1.3.0 does not validate and escape some of its shortco

Q: How do I fix CVE-2022-4829?

show-hide \/ collapse-expand: upgrade to newer than 1.2.5. Exact commands for each OS are on this page.

Q: Is CVE-2022-4829 being exploited?

CVE-2022-4829 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-2022-4829 affect?

CVE-2022-4829 affects show-hide \/ collapse-expand. Severity is medium (CVSS 5.4). The Show-Hide / Collapse-Expand WordPress plugin before 1.3.0 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored

Q: How urgent is CVE-2022-4829?

Priority 34/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2022-4829 is a medium-severity flaw (CVSS 5.4) affecting show-hide \/ collapse-expand. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Show-Hide / Collapse-Expand WordPress plugin before 1.3.0 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Published	2023-02-27
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: show-hide \/ collapse-expand project

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

Am I affected?

Timeline

2023-02-27 16:15 UTCPublished CVE record published
2026-06-17 05:21 UTCUpdated Record last modified

show-hide \/ collapse-expand project show-hide \/ collapse-expand UPGRADE

Affected: <= 1.2.5

Fixed in: newer than 1.2.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy show-hide--collapse-expand || rpm -q show-hide--collapse-expand || show-hide--collapse-expand --version

2. UPGRADE to newer than 1.2.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade show-hide--collapse-expand

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade show-hide--collapse-expand

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-2022-4829?

show-hide \/ collapse-expand: upgrade to newer than 1.2.5. Exact commands for each OS are on this page.

Is CVE-2022-4829 being exploited?

CVE-2022-4829 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-2022-4829 affect?

CVE-2022-4829 affects show-hide \/ collapse-expand. Severity is medium (CVSS 5.4). The Show-Hide / Collapse-Expand WordPress plugin before 1.3.0 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored

How urgent is CVE-2022-4829?

Priority 34/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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