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CVE-2025-46239: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jeff Sta

26
Routine
MEDIUM 6.5UPGRADE

CVE-2025-46239 is a medium-severity flaw (CVSS 6.5) affecting theme switcha. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jeff Starr Theme Switcha theme-switcha allows Stored XSS.This issue affects Theme Switcha: from n/a through <= 3.4.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionRequired
EPSS exploit chance0.2% (top 87%)
CISA exploited listNo
WeaknessCWE-79
Published2025-04-22
Last modified2026-06-17
Publisher (CNA): Patchstack · Vendor: plugin-planet

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

Am I affected?

Timeline

plugin-planet theme switcha UPGRADE
Affected: < 3.4.1
Fixed in: 3.4.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy theme-switcha || rpm -q theme-switcha || theme-switcha --version
2. UPGRADE to 3.4.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade theme-switcha
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade theme-switcha
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-2025-46239?

theme switcha: upgrade to 3.4.1. Exact commands for each OS are on this page.

Is CVE-2025-46239 being exploited?

CVE-2025-46239 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-2025-46239 affect?

CVE-2025-46239 affects theme switcha. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jeff Starr Theme Switcha theme-switcha allows Stored XSS.This issue affects Theme Switcha: from n/a through <= 3.4.

How urgent is CVE-2025-46239?

Priority 26/100. No elevated risk signals yet.

References

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