Common Weakness Enumeration
CWE-80
AllowedImproper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Abstraction: Variant · Status: Incomplete
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.
938 vulnerabilities reference this CWE, most recent first.
CVE-2020-4049 (GCVE-0-2020-4049)
Vulnerability from cvelistv5 – Published: 2020-06-12 16:00 – Updated: 2024-08-04 07:52
VLAI
EPSS
VEX
Title
Authenticated self-XSS via theme uploads in WordPress
Summary
In affected versions of WordPress, when uploading themes, the name of the theme folder can be crafted in a way that could lead to JavaScript execution in /wp-admin on the themes page. This does require an admin to upload the theme, and is low severity self-XSS. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).
Severity
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://wordpress.org/news/2020/06/wordpress-5-4-… | x_refsource_MISC |
| https://github.com/WordPress/wordpress-develop/se… | x_refsource_CONFIRM |
| https://github.com/WordPress/wordpress-develop/co… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.debian.org/security/2020/dsa-4709 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WordPress | wordpress-develop |
Affected:
>= 5.4.0, < 5.4.2
Affected: >= 5.3.0, < 5.3.4 Affected: >= 5.2.0, < 5.2.7 Affected: >= 5.1.0, < 5.1.6 Affected: >= 5.0.0, < 5.0.10 Affected: >= 4.9.0, < 4.9.15 Affected: >= 4.8.0, < 4.8.14 Affected: >= 4.7.0, < 4.7.18 Affected: >= 4.6.0, < 4.6.19 Affected: >= 4.5.0, < 4.5.22 Affected: >= 4.4.0, < 4.4.23 Affected: >= 4.3.0, < 4.3.24 Affected: >= 4.2.0, < 4.2.28 Affected: >= 4.1.0, < 4.1.31 Affected: >= 4.0.0, < 4.0.31 Affected: >= 3.9.0, < 3.9.32 Affected: >= 3.8.0, < 3.8.34 Affected: >= 3.7.0, < 3.7.34 |
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CVE-2020-4047 (GCVE-0-2020-4047)
Vulnerability from cvelistv5 – Published: 2020-06-12 16:00 – Updated: 2024-08-04 07:52
VLAI
EPSS
VEX
Title
Authenticated XSS via media attachment page in WordPress
Summary
In affected versions of WordPress, authenticated users with upload permissions (like authors) are able to inject JavaScript into some media file attachment pages in a certain way. This can lead to script execution in the context of a higher privileged user when the file is viewed by them. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).
Severity
6.8 (Medium)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://wordpress.org/news/2020/06/wordpress-5-4-… | x_refsource_MISC |
| https://github.com/WordPress/wordpress-develop/se… | x_refsource_CONFIRM |
| https://github.com/WordPress/wordpress-develop/co… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.debian.org/security/2020/dsa-4709 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WordPress | wordpress-develop |
Affected:
>= 5.4.0, < 5.4.2
Affected: >= 5.3.0, < 5.3.4 Affected: >= 5.2.0, < 5.2.7 Affected: >= 5.1.0, < 5.1.6 Affected: >= 5.0.0, < 5.0.10 Affected: >= 4.9.0, < 4.9.15 Affected: >= 4.8.0, < 4.8.14 Affected: >= 4.7.0, < 4.7.18 Affected: >= 4.6.0, < 4.6.19 Affected: >= 4.5.0, < 4.5.22 Affected: >= 4.4.0, < 4.4.23 Affected: >= 4.3.0, < 4.3.24 Affected: >= 4.2.0, < 4.2.28 Affected: >= 4.1.0, < 4.1.31 Affected: >= 4.0.0, < 4.0.31 Affected: >= 3.9.0, < 3.9.32 Affected: >= 3.8.0, < 3.8.34 Affected: >= 3.7.0, < 3.7.34 |
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CVE-2020-4046 (GCVE-0-2020-4046)
Vulnerability from cvelistv5 – Published: 2020-06-12 15:55 – Updated: 2024-08-04 07:52
VLAI
EPSS
VEX
Title
Authenticated XSS through embed block in WordPress
Summary
In affected versions of WordPress, users with low privileges (like contributors and authors) can use the embed block in a certain way to inject unfiltered HTML in the block editor. When affected posts are viewed by a higher privileged user, this could lead to script execution in the editor/wp-admin. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).
Severity
5.4 (Medium)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/WordPress/wordpress-develop/se… | x_refsource_CONFIRM |
| https://wordpress.org/news/2020/06/wordpress-5-4-… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.debian.org/security/2020/dsa-4709 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WordPress | wordpress-develop |
Affected:
>= 5.4.0, < 5.4.2
Affected: >= 5.3.0, < 5.3.4 Affected: >= 5.2.0, < 5.2.7 Affected: >= 5.1.0, < 5.1.6 Affected: >= 5.0.0, < 5.0.10 Affected: >= 4.9.0, < 4.9.15 Affected: >= 4.8.0, < 4.8.14 Affected: >= 4.7.0, < 4.7.18 Affected: >= 4.6.0, < 4.6.19 Affected: >= 4.5.0, < 4.5.22 Affected: >= 4.4.0, < 4.4.23 Affected: >= 4.3.0, < 4.3.24 Affected: >= 4.2.0, < 4.2.28 Affected: >= 4.1.0, < 4.1.31 Affected: >= 4.0.0, < 4.0.31 Affected: >= 3.9.0, < 3.9.32 Affected: >= 3.8.0, < 3.8.34 Affected: >= 3.7.0, < 3.7.34 |
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CVE-2020-2503 (GCVE-0-2020-2503)
Vulnerability from cvelistv5 – Published: 2020-12-24 01:39 – Updated: 2024-09-17 03:07
VLAI
EPSS
VEX
Title
Stored cross-site scripting vulnerability in QES
Summary
If exploited, this stored cross-site scripting vulnerability could allow remote attackers to inject malicious code in File Station. QNAP has already fixed these issues in QES 2.1.1 Build 20201006 and later.
Severity
9 (Critical)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.qnap.com/zh-tw/security-advisory/qsa-20-17 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QES |
Affected:
unspecified , < 2.1.1
(custom)
|
Date Public
2020-12-23 00:00
Credits
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CVE-2020-2502 (GCVE-0-2020-2502)
Vulnerability from cvelistv5 – Published: 2021-02-17 03:25 – Updated: 2024-09-16 23:06
VLAI
EPSS
VEX
Title
Cross-site Scripting Vulnerability in Photo Station
Summary
This cross-site scripting vulnerability in Photo Station allows remote attackers to inject malicious code. QANP We have already fixed this vulnerability in the following versions of Photo Station. Photo Station 6.0.11 and later
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-21-06 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | Photo Station |
Affected:
unspecified , < 6.0.11
(custom)
|
Date Public
2021-02-17 00:00
Credits
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CVE-2020-2498 (GCVE-0-2020-2498)
Vulnerability from cvelistv5 – Published: 2020-12-10 03:45 – Updated: 2024-09-16 20:12
VLAI
EPSS
VEX
Title
Cross-site scripting vulnerability in QTS and QuTS hero
Summary
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code in certificate configuration. QANP have already fixed these vulnerabilities in the following versions of QTS and QuTS hero. QuTS hero h4.5.1.1472 build 20201031 and later QTS 4.5.1.1456 build 20201015 and later QTS 4.4.3.1354 build 20200702 and later QTS 4.3.6.1333 build 20200608 and later QTS 4.3.4.1368 build 20200703 and later QTS 4.3.3.1315 build 20200611 and later QTS 4.2.6 build 20200611 and later
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-20-12 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QTS |
Affected:
< 4.5.1.1456
Affected: < 4.4.3.1354 Affected: < 4.3.6.1333 Affected: < 4.3.4.1368 Affected: < 4.3.3.1315 Affected: < 4.2.6 |
|
| QNAP Systems Inc. | QuTS hero |
Affected:
< h4.5.1.1472
|
Date Public
2020-12-07 00:00
Credits
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CVE-2020-2497 (GCVE-0-2020-2497)
Vulnerability from cvelistv5 – Published: 2020-12-10 03:43 – Updated: 2024-09-16 23:27
VLAI
EPSS
VEX
Title
Cross-site scripting vulnerability in QTS and QuTS hero
Summary
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code in System Connection Logs. QANP have already fixed these vulnerabilities in the following versions of QTS and QuTS hero. QuTS hero h4.5.1.1472 build 20201031 and later QTS 4.5.1.1456 build 20201015 and later QTS 4.4.3.1354 build 20200702 and later QTS 4.3.6.1333 build 20200608 and later QTS 4.3.4.1368 build 20200703 and later QTS 4.3.3.1315 build 20200611 and later QTS 4.2.6 build 20200611 and later
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-20-12 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QTS |
Affected:
< 4.5.1.1456
Affected: < 4.4.3.1354 Affected: < 4.3.6.1333 Affected: < 4.3.4.1368 Affected: < 4.3.3.1315 Affected: < 4.2.6 |
|
| QNAP Systems Inc. | QuTS hero |
Affected:
< h4.5.1.1472
|
Date Public
2020-12-07 00:00
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CVE-2020-2496 (GCVE-0-2020-2496)
Vulnerability from cvelistv5 – Published: 2020-12-10 03:41 – Updated: 2024-09-17 02:20
VLAI
EPSS
VEX
Title
Cross-site scripting vulnerability in QTS and QuTS hero
Summary
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code in File Station. QANP have already fixed these vulnerabilities in the following versions of QTS and QuTS hero. QuTS hero h4.5.1.1472 build 20201031 and later QTS 4.5.1.1456 build 20201015 and later QTS 4.4.3.1354 build 20200702 and later QTS 4.3.6.1333 build 20200608 and later QTS 4.3.4.1368 build 20200703 and later QTS 4.3.3.1315 build 20200611 and later QTS 4.2.6 build 20200611 and later
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-20-12 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QTS |
Affected:
< 4.5.1.1456
Affected: < 4.4.3.1354 Affected: < 4.3.6.1333 Affected: < 4.3.4.1368 Affected: < 4.3.3.1315 Affected: < 4.2.6 |
|
| QNAP Systems Inc. | QuTS hero |
Affected:
< h4.5.1.1472
|
Date Public
2020-12-07 00:00
Credits
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CVE-2020-2495 (GCVE-0-2020-2495)
Vulnerability from cvelistv5 – Published: 2020-12-10 03:39 – Updated: 2024-09-16 23:26
VLAI
EPSS
VEX
Title
Cross-site scripting vulnerability in QTS and QuTS hero
Summary
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code in File Station. QANP have already fixed these vulnerabilities in the following versions of QTS and QuTS hero. QuTS hero h4.5.1.1472 build 20201031 and later QTS 4.5.1.1456 build 20201015 and later QTS 4.4.3.1354 build 20200702 and later QTS 4.3.6.1333 build 20200608 and later QTS 4.3.4.1368 build 20200703 and later QTS 4.3.3.1315 build 20200611 and later QTS 4.2.6 build 20200611 and later
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-20-12 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QTS |
Affected:
< 4.5.1.1456
Affected: < 4.4.3.1354 Affected: < 4.3.6.1333 Affected: < 4.3.4.1368 Affected: < 4.3.3.1315 Affected: < 4.2.6 |
|
| QNAP Systems Inc. | QuTS hero |
Affected:
< h4.5.1.1472
|
Date Public
2020-12-07 00:00
Credits
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CVE-2020-2494 (GCVE-0-2020-2494)
Vulnerability from cvelistv5 – Published: 2020-12-10 03:36 – Updated: 2024-09-17 00:40
VLAI
EPSS
VEX
Title
Cross-site Scripting Vulnerability in Music Station
Summary
This cross-site scripting vulnerability in Music Station allows remote attackers to inject malicious code. QANP have already fixed this vulnerability in the following versions of Music Station. QuTS hero h4.5.1: Music Station 5.3.13 and later QTS 4.5.1: Music Station 5.3.12 and later QTS 4.4.3: Music Station 5.3.12 and later
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-20-13 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | Music Station |
Affected:
< 5.3.13
Affected: < 5.3.12 |
Date Public
2020-12-07 00:00
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Mitigation
Implementation
Carefully check each input parameter against a rigorous positive specification (allowlist) defining the specific characters and format allowed. All input should be neutralized, not just parameters that the user is supposed to specify, but all data in the request, including hidden fields, cookies, headers, the URL itself, and so forth. A common mistake that leads to continuing XSS vulnerabilities is to validate only fields that are expected to be redisplayed by the site. We often encounter data from the request that is reflected by the application server or the application that the development team did not anticipate. Also, a field that is not currently reflected may be used by a future developer. Therefore, validating ALL parts of the HTTP request is recommended.
Mitigation MIT-30.1
Implementation
Strategy: Output Encoding
- Use and specify an output encoding that can be handled by the downstream component that is reading the output. Common encodings include ISO-8859-1, UTF-7, and UTF-8. When an encoding is not specified, a downstream component may choose a different encoding, either by assuming a default encoding or automatically inferring which encoding is being used, which can be erroneous. When the encodings are inconsistent, the downstream component might treat some character or byte sequences as special, even if they are not special in the original encoding. Attackers might then be able to exploit this discrepancy and conduct injection attacks; they even might be able to bypass protection mechanisms that assume the original encoding is also being used by the downstream component.
- The problem of inconsistent output encodings often arises in web pages. If an encoding is not specified in an HTTP header, web browsers often guess about which encoding is being used. This can open up the browser to subtle XSS attacks.
Mitigation MIT-43
Implementation
With Struts, write all data from form beans with the bean's filter attribute set to true.
Mitigation MIT-31
Implementation
Strategy: Attack Surface Reduction
To help mitigate XSS attacks against the user's session cookie, set the session cookie to be HttpOnly. In browsers that support the HttpOnly feature (such as more recent versions of Internet Explorer and Firefox), this attribute can prevent the user's session cookie from being accessible to malicious client-side scripts that use document.cookie. This is not a complete solution, since HttpOnly is not supported by all browsers. More importantly, XmlHttpRequest and other powerful browser technologies provide read access to HTTP headers, including the Set-Cookie header in which the HttpOnly flag is set.
CAPEC-18: XSS Targeting Non-Script Elements
This attack is a form of Cross-Site Scripting (XSS) where malicious scripts are embedded in elements that are not expected to host scripts such as image tags (<img>), comments in XML documents (< !-CDATA->), etc. These tags may not be subject to the same input validation, output validation, and other content filtering and checking routines, so this can create an opportunity for an adversary to tunnel through the application's elements and launch a XSS attack through other elements. As with all remote attacks, it is important to differentiate the ability to launch an attack (such as probing an internal network for unpatched servers) and the ability of the remote adversary to collect and interpret the output of said attack.
CAPEC-193: PHP Remote File Inclusion
In this pattern the adversary is able to load and execute arbitrary code remotely available from the application. This is usually accomplished through an insecurely configured PHP runtime environment and an improperly sanitized "include" or "require" call, which the user can then control to point to any web-accessible file. This allows adversaries to hijack the targeted application and force it to execute their own instructions.
CAPEC-32: XSS Through HTTP Query Strings
An adversary embeds malicious script code in the parameters of an HTTP query string and convinces a victim to submit the HTTP request that contains the query string to a vulnerable web application. The web application then procedes to use the values parameters without properly validation them first and generates the HTML code that will be executed by the victim's browser.
CAPEC-86: XSS Through HTTP Headers
An adversary exploits web applications that generate web content, such as links in a HTML page, based on unvalidated or improperly validated data submitted by other actors. XSS in HTTP Headers attacks target the HTTP headers which are hidden from most users and may not be validated by web applications.