XZ Utils backdoor

Quality:

XZ Utils backdoor - backdoor discovered in 2024. This software is the 1398^th most popular in the global Wikipedia ranking of software and the 221^st most popular software in Simple English Wikipedia. Article “XZ Utils backdoor” in Simple English Wikipedia has 47.9 points for quality (as of July 1, 2025). The article contains 28 references and 6 sections.

This article has the best quality in Russian Wikipedia. However, the most popular language version of this article is English.

Achievements in all the time:

Simple English Wikipedia:

The 221^st most popular in software in Simple English Wikipedia.

Global Wikipedia:

The 1398^th most popular in software.

Since the creation of article “XZ Utils backdoor”, its content was written by 4 registered users of Simple English Wikipedia and edited by 164 registered Wikipedia users in all languages.

XZ Utils backdoor is on the 221^st place in local ranking of software in Simple English Wikipedia and on the 1398^th place in global ranking of software in all the time.

The article is cited 2 times in Simple English Wikipedia and cited 310 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #3036 in November 2024
• Global: #72 in April 2024

The highest popularity rank from 2008:

• Local (Simple English): #27284 in April 2024
• Global: #5648 in April 2024

There are 12 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Russian (ru) Бэкдор в XZ		53.6377
2	German (de) XZ Utils Backdoor		48.9666
3	Simple English (simple) XZ Utils backdoor		47.9278
4	Chinese (zh) XZ实用程序后门		45.8321
5	English (en) XZ Utils backdoor		45.3791
6	Ukrainian (uk) Бекдор в XZ		40.6823
7	Catalan (ca) Porta del darrere de XZ Utils		40.5606
8	Spanish (es) Ataque por puerta trasera a XZ Utils		37.9871
9	Korean (ko) XZ Utils 백도어		34.6564
10	French (fr) Attaque de XZ Utils par porte dérobée		34.0541

The following table shows the most popular language versions of the article.

#	Language	Popularity award	Relative popularity
1	English (en) XZ Utils backdoor		439 325
2	Russian (ru) Бэкдор в XZ		19 364
3	German (de) XZ Utils Backdoor		13 593
4	French (fr) Attaque de XZ Utils par porte dérobée		13 096
5	Chinese (zh) XZ实用程序后门		5 056
6	Spanish (es) Ataque por puerta trasera a XZ Utils		3 081
7	Japanese (ja) XZ Utilsのバックドア		2 610
8	Korean (ko) XZ Utils 백도어		2 440
9	Simple English (simple) XZ Utils backdoor		774
10	Czech (cs) Zadní vrátka v XZ Utils		527

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	English (en) XZ Utils backdoor		12 432
2	French (fr) Attaque de XZ Utils par porte dérobée		572
3	German (de) XZ Utils Backdoor		559
4	Russian (ru) Бэкдор в XZ		413
5	Chinese (zh) XZ实用程序后门		269
6	Spanish (es) Ataque por puerta trasera a XZ Utils		164
7	Japanese (ja) XZ Utilsのバックドア		152
8	Simple English (simple) XZ Utils backdoor		26
9	Czech (cs) Zadní vrátka v XZ Utils		23
10	Korean (ko) XZ Utils 백도어		21

The following table shows the language versions of the article with the highest Authors’ Interest.

#	Language	AI award	Relative AI
1	English (en) XZ Utils backdoor		89
2	German (de) XZ Utils Backdoor		22
3	Russian (ru) Бэкдор в XZ		17
4	French (fr) Attaque de XZ Utils par porte dérobée		13
5	Japanese (ja) XZ Utilsのバックドア		4
6	Korean (ko) XZ Utils 백도어		4
7	Simple English (simple) XZ Utils backdoor		4
8	Czech (cs) Zadní vrátka v XZ Utils		3
9	Catalan (ca) Porta del darrere de XZ Utils		2
10	Spanish (es) Ataque por puerta trasera a XZ Utils		2

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

#	Language	AI award	Relative AI
1	English (en) XZ Utils backdoor		4
2	Russian (ru) Бэкдор в XZ		1
3	Catalan (ca) Porta del darrere de XZ Utils		0
4	Czech (cs) Zadní vrátka v XZ Utils		0
5	German (de) XZ Utils Backdoor		0
6	Spanish (es) Ataque por puerta trasera a XZ Utils		0
7	French (fr) Attaque de XZ Utils par porte dérobée		0
8	Japanese (ja) XZ Utilsのバックドア		0
9	Korean (ko) XZ Utils 백도어		0
10	Simple English (simple) XZ Utils backdoor		0

The following table shows the language versions of the article with the highest number of citations.

On 28 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Ali Khamenei, Iran, Ruhollah Khomeini, Jeffrey Epstein, Supreme Leader of Iran, Mohammad Reza I of Iran, 2026 Israeli–United States strikes on Iran, Neil Sedaka, Masoud Pezeshkian, Resident Evil Requiem.

In Simple English Wikipedia the most popular articles on that day were: Black, Ali Khamenei, 2026 Israeli–United States strikes on Iran, List of European countries, Manon Bannerman, XXXTentacion, Golden Edge, Jeffrey Epstein, Lion Ceccah, Strait of Hormuz.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information