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Shellshock Check

v1.1.0

by Vladimir Prelovac · updated 11 years ago

Test if the server is affected by the Shellshock vulnerability.

securityshell shockshellshock
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#26,078
Down171 vs yesterday
Active installs (est.)
≈ 26
20+ reported · High
Total downloads
4.2K
4,154 all-time
Rating
5.0/5
4 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +0% (30d)·Toward 30+ · ETA unknown

Shellshock Check at a glance

Shellshock Check is a WordPress plugin by Vladimir Prelovac with 20+ active installs, the #26,078 most popular plugin on WordPress.org. On a typical day it’s downloaded about 1 time, about the same as the month before. It’s rated 5.0 out of 5 from 4 reviews. Version 1.1.0 came out on Sep 7, 2015, more than 11 years ago. It is tested up to WordPress 4.3.34. Among the 1,821 plugins tagged “security”, it ranks #553. It was first released in 2014.

Chart time range

Applies to every chart below. History from Oct 9, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

34 downloads · the last 30 days

Downloads over time
Shellshock Check Compare series
Downloads over time: 29 days across 1 series.0123Oct 9Oct 14Oct 18Oct 23Oct 28Nov 1Nov 6
View as table
DateShellshock Check
Nov 6, 20263
Nov 5, 20260
Nov 4, 20260
Nov 3, 20261
Nov 2, 20262
Nov 1, 20262
Oct 31, 20260
Oct 30, 20260
Oct 29, 20260
Oct 28, 20261
Oct 27, 20261
Oct 26, 20263
Oct 25, 20262
Oct 24, 20263
Oct 23, 20261
Oct 22, 20261
Oct 21, 20260
Oct 20, 20260
Oct 19, 20263
Oct 18, 20263
Oct 17, 20263
Oct 16, 20260
Oct 15, 20261
Oct 14, 20260
Oct 13, 20261
Oct 12, 20260
Oct 11, 20260
Oct 10, 20262
Oct 9, 20261

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 26 · -7.1% in the last 30 days

Estimated installs
Estimated installs: 12 days across 1 series.262728Oct 27Oct 29Oct 31Nov 2Nov 4Nov 8
View as table
DateEstimated installs
Nov 8, 202626
Nov 7, 202626
Nov 5, 202626
Nov 4, 202626
Nov 3, 202626
Nov 2, 202626
Nov 1, 202626
Oct 31, 202626
Oct 30, 202626
Oct 29, 202627
Oct 28, 202626
Oct 27, 202628

Rank over time

#26,078 · down 573 in the last 30 days

Popular rank
Popular rank: 8 days across 1 series.#25.4K#25.6K#25.8K#26KOct 27Oct 30Nov 2Nov 4Nov 6Nov 8
View as table
DateDaily snapshot
Nov 8, 2026#26,078
Nov 7, 2026#25,907
Nov 6, 2026#25,812
Nov 5, 2026#25,542
Nov 4, 2026#25,665
Nov 2, 2026#25,670
Oct 30, 2026#25,447
Oct 27, 2026#25,505

Growth %

Average -0.62% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 11 days across 1 series.-5%0%5%Oct 28Oct 30Nov 1Nov 4Nov 8
View as table
DateGrowth
Nov 8, 20260.00%
Nov 7, 20260.00%
Nov 5, 20260.00%
Nov 4, 20260.00%
Nov 3, 20260.00%
Nov 2, 20260.00%
Nov 1, 20260.00%
Oct 31, 20260.00%
Oct 30, 2026-3.70%
Oct 29, 2026+3.85%
Oct 28, 2026-7.14%

Active installs band

20+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 13 days across 1 series.192021Oct 27Oct 29Oct 31Nov 2Nov 4Nov 6Nov 8
View as table
DateDaily snapshot
Nov 8, 202620+
Nov 7, 202620+
Nov 6, 202620+
Nov 5, 202620+
Nov 4, 202620+
Nov 3, 202620+
Nov 2, 202620+
Nov 1, 202620+
Oct 31, 202620+
Oct 30, 202620+
Oct 29, 202620+
Oct 28, 202620+
Oct 27, 202620+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

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Change log

From our daily snapshot of WordPress.org

No changes yet. When this plugin's name, short description, tags, “Tested up to” or version change, they show here with what happened to its rank next.

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v1.1100%

Rating trend

5.0★★★★★4 reviews · steady in the last 30 days

Requirements & info

Version history
Version
1.1.0
Requires WordPress
3.0
Tested up to
4.3.34
Requires PHP
–
First released
Sep 30, 2014
Last updated
Sep 7, 2015
Releases, last 12 months
…

Questions about Shellshock Check

How many websites use Shellshock Check?

Shellshock Check is active on 20+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #26,078 most popular plugin on WordPress.org.

How many times has Shellshock Check been downloaded?

4,154 times in total since 2014. On a typical day it’s downloaded about 1 times. See download stats

When was Shellshock Check last updated?

Version 1.1.0 came out on Sep 7, 2015 (11 years ago).

Is Shellshock Check compatible with the latest WordPress?

Shellshock Check’s readme says it’s tested up to WordPress 4.3.34, 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.

Is Shellshock Check still maintained?

Its last release was 11 years ago, so it may no longer be actively maintained. No support threads were opened in the last two months.

What rating does Shellshock Check have?

5.0 out of 5 from 4 reviews on WordPress.org.

What are the best alternatives to Shellshock Check?

The plugins most like Shellshock Check, by the tags they share, are Plugin Check (PCP) (10K+).

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

5.0

★★★★★

4 reviews

  • 5 stars: 4 reviews, 100%
  • 4 stars: 0 reviews, 0%
  • 3 stars: 0 reviews, 0%
  • 2 stars: 0 reviews, 0%
  • 1 stars: 0 reviews, 0%
Positive
100%4–5★
Mixed
0%3★
Critical
0%1–2★

Compare with competitors

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Starter · 1 competitor
Shellshock Check
Suggested:
Metric
Shellshock Check
Estimated installs≈ 26
Reported installs20+
Rating5.0
Reviews4
Total downloads4.2K
AuthorVladimir Prelovac
First releasedSep 30, 2014
Version1.1.0
Requires WP3.0
Requires PHP–
Last updatedSep 7, 2015

Alternatives to Shellshock Check

Popular plugins with the same tags, the most in common first.

Side by side:Shellshock Check vs Plugin Check (PCP)

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