Is WP Upload Restriction safe?

No known vulnerability affects the current version (2.3.0). 3 issues were found in earlier versions and fixed, the latest disclosed on Jul 7, 2021.

Checked 2 days ago against the WPVulnerability database, for version 2.3.0.

How it’s looked after

Last release: Jul 6, 2025 (1 year ago)
Releases in the last year: 0
Tested up to: WordPress 6.8.12 (current: 7.1)
Active installs: 1K+

3 known vulnerabilities

3 medium

None affects the current version.

Every known vulnerability in WP Upload Restriction

Newest first, with any that affect the current version at the top.

medium
Authenticated (Subscriber+) Stored Cross-Site Scripting
Fixed in 2.2.8 · CVE-2021-34625 · Jul 7, 2021 · Wordfence
medium
Missing Authorization Checks
Fixed in 2.2.8 · CVE-2021-34627 · Jul 2, 2021 · Wordfence
medium
Missing Authorization Checks
Fixed in 2.2.8 · CVE-2021-34626 · Jul 2, 2021 · Wordfence

Questions about WP Upload Restriction’s security

Is WP Upload Restriction safe to use?

No known vulnerability affects its current version. Earlier versions had issues that are now fixed, so keep WP Upload Restriction updated: most attacks target sites that haven’t updated.

Does WP Upload Restriction have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 3 older issues, fixed in earlier versions, so keep WP Upload Restriction up to date.

Is WP Upload Restriction still maintained?

Its last release was 1 year ago, so it may no longer be actively maintained. No support threads were opened in the last two months.

Is WP Upload Restriction compatible with the latest WordPress?

WP Upload Restriction’s readme says it’s tested up to WordPress 6.8.12, while the current version is 7.1. That doesn’t mean it breaks, but its author hasn’t confirmed it works with the latest releases.

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Vulnerability data from WPVulnerability (CC0), which gathers records from CVE, Wordfence, Patchstack and WPScan. A clean record isn’t a guarantee: keep every plugin updated.