CVE-2018-20838
ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.
ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.
- Record
CVE-2018-20838- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.
- Record
CVE-2018-20838- Updated
- 2026-11-02
EUVDEUVD-2018-13378 No score
ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.
- Record
EUVD-2018-13378- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x6fh-2jjp-6486 No score
ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.
ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.
- Record
GHSA-x6fh-2jjp-6486- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-20838 is a medium vulnerability (CVSS 5.4) in Magazine3 Amp For Wp, published May 13, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. No source names a fixed version.
References
wordfence.com/blog/2018/11/xss-injection-campaign-exploits-wordpress-amp-plugin
plugins.trac.wordpress.org/browser/accelerated-mobile-pages/trunk/changelog.txt
wordpress.org/plugins/accelerated-mobile-pages
ampforwp.com/critical-security-issues-has-been-fixed-in-0-9-97-20-version
nvd.nist.gov/vuln/detail/CVE-2018-20838
github.com/advisories/GHSA-x6fh-2jjp-6486