CVE-2018-12364: CSRF
Last updated 25 August 2025
Other sources
NPAPI plugins, such as Adobe Flash, can send non-simple cross-origin requests, bypassing CORS by making a same-origin POST that does a 307 redirect to the target site. This allows for a malicious site to engage in cross-site request forgery (CSRF) attacks.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 60 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 52.9 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 61 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 60.1 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 52.9 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 147.0.4-1 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.14.0esr-1~deb11u1Fixed in 140.7.0esr-1~deb11u1Fixed in 128.14.0esr-1~deb12u1Fixed in 140.7.0esr-1~deb12u1Fixed in 140.4.0esr-1~deb13u1Fixed in 140.7.0esr-1~deb13u1Fixed in 140.7.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.12.0-1~deb11u1Fixed in 1:140.7.1esr-1~deb11u1Fixed in 1:140.6.0esr-1~deb12u1Fixed in 1:140.7.1esr-1~deb12u1Fixed in 1:140.6.0esr-1~deb13u1Fixed in 1:140.7.1esr-1~deb13u1Fixed in 1:140.7.1esr-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 60 - Upgrade
Upgrade
Mozilla Thunderbirdto a version that resolves this vulnerability.Fixed in 60 - Upgrade
Upgrade
Mozilla Thunderbirdto a version that resolves this vulnerability.Fixed in 52.9 - Upgrade
Upgrade
Mozilla Firefox ESRto a version that resolves this vulnerability.Fixed in 60.1 - Upgrade
Upgrade
Mozilla Firefox ESRto a version that resolves this vulnerability.Fixed in 52.9 - Upgrade
Upgrade
Mozilla Firefoxto a version that resolves this vulnerability.Fixed in 61
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2018-12364?
CVE-2018-12364 has a moderate severity rating due to its potential for enabling CSRF attacks.
How do I fix CVE-2018-12364?
To address CVE-2018-12364, update affected software to the latest versions provided by the vendor.
Which products are affected by CVE-2018-12364?
CVE-2018-12364 affects several products including Mozilla Firefox, Firefox ESR, and Thunderbird versions prior to their specified remedies.
What is the nature of the vulnerability described in CVE-2018-12364?
CVE-2018-12364 allows NPAPI plugins to bypass CORS, potentially facilitating cross-site request forgery attacks.
Is there a known workaround for CVE-2018-12364?
There are no effective workarounds; patching to a secure version is recommended to mitigate CVE-2018-12364.