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Mozilla » Firefox Esr : Security Vulnerabilities Published In 2020 (Bypass)
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CVE ID
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CWE ID
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# of Exploits
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Vulnerability Type(s)
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Publish Date
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Update Date
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Score
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Gained Access Level
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Access
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Complexity
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Authentication
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Conf.
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Integ.
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Avail.
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1 |
CVE-2020-26958 |
79 |
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XSS Bypass |
2020-12-09 |
2020-12-10 |
4.3 |
None |
Remote |
Medium |
Not required |
None |
Partial |
None |
Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker. This could lead to a cross-site script inclusion vulnerability, or a Content Security Policy bypass. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5. |
2 |
CVE-2020-26951 |
79 |
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XSS Bypass |
2020-12-09 |
2020-12-09 |
4.3 |
None |
Remote |
Medium |
Not required |
None |
Partial |
None |
A parsing and event loading mismatch in Firefox's SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnerability in privileged internal pages could have used this attack to bypass our built-in sanitizer. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5. |
3 |
CVE-2020-15655 |
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Bypass |
2020-08-10 |
2022-05-03 |
4.3 |
None |
Remote |
Medium |
Not required |
Partial |
None |
None |
A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1. |
4 |
CVE-2020-15653 |
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Bypass |
2020-08-10 |
2020-08-18 |
4.3 |
None |
Remote |
Medium |
Not required |
None |
Partial |
None |
An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1. |
5 |
CVE-2019-11761 |
362 |
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+Priv Bypass |
2020-01-08 |
2020-08-24 |
5.8 |
None |
Remote |
Medium |
Not required |
Partial |
Partial |
None |
By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2. |
Total number of vulnerabilities : 5
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