CVE-2022-2450: The reSmush.it : the only free Image Optimizer & compress plugin WordPress plugin before 0.4.4 lacks authoriza

Q: How do I fix CVE-2022-2450?

resmush.it image optimizer: upgrade to 0.4.4. Exact commands for each OS are on this page.

Q: Is CVE-2022-2450 being exploited?

CVE-2022-2450 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-2022-2450 affect?

CVE-2022-2450 affects resmush.it image optimizer. Severity is medium (CVSS 4.3). The reSmush.it : the only free Image Optimizer & compress plugin WordPress plugin before 0.4.4 lacks authorization in various AJAX actions, allowing any logged-in users, such as subscribers to call them.

Q: How urgent is CVE-2022-2450?

Priority 31/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2022-2450 is a medium-severity flaw (CVSS 4.3) affecting resmush.it image optimizer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The reSmush.it : the only free Image Optimizer & compress plugin WordPress plugin before 0.4.4 lacks authorization in various AJAX actions, allowing any logged-in users, such as subscribers to call them.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-862
Published	2022-11-14
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: resmush.it

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

Am I affected?

Timeline

2022-11-14 15:15 UTCPublished CVE record published
2026-06-17 04:41 UTCUpdated Record last modified

resmush.it resmush.it image optimizer UPGRADE

Affected: < 0.4.4

Fixed in: 0.4.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy resmush.it-image-optimizer || rpm -q resmush.it-image-optimizer || resmush.it-image-optimizer --version

2. UPGRADE to 0.4.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade resmush.it-image-optimizer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade resmush.it-image-optimizer

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-2022-2450?

resmush.it image optimizer: upgrade to 0.4.4. Exact commands for each OS are on this page.

Is CVE-2022-2450 being exploited?

CVE-2022-2450 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-2022-2450 affect?

CVE-2022-2450 affects resmush.it image optimizer. Severity is medium (CVSS 4.3). The reSmush.it : the only free Image Optimizer & compress plugin WordPress plugin before 0.4.4 lacks authorization in various AJAX actions, allowing any logged-in users, such as subscribers to call them.

How urgent is CVE-2022-2450?

Priority 31/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2022-2449 MEDIUM 6.5 UPGRADE The reSmush.it : the only free Image Optimizer & compress plugin WordPress plugin before 0.4.4 does not perfor
CVE-2022-2448 MEDIUM 4.8 UPGRADE The reSmush.it WordPress plugin before 0.4.6 does not sanitise and escape some of its settings, which could al

References

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