Medium severity · published May 13, 2019
CVE-2018-20838
ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS
5.4
CVSS
1.1%
EPSS
No
On KEV
Description
ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Amp For WP · Magazine3
before 0.9.97.21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20838
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20838
ampforwp.com
https://ampforwp.com/critical-security-issues-has-been-fixed-in-0-9-97-20-version/
Release Notes
https://plugins.trac.wordpress.org/browser/accelerated-mobile-pages/trunk/changelog.txt
Release Notes
https://wordpress.org/plugins/accelerated-mobile-pages/#developers
Exploit
https://www.wordfence.com/blog/2018/11/xss-injection-campaign-exploits-wordpress-amp-plugin/
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