CVE-2018-20838 — ampforwp_save_steps_data in the AMP for WP plugin before 0

ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.

01What is this vulnerability?

ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-05-13T04:04:18.000Z
• Last modified: 2024-08-05T12:12:28.338Z

09References

• www.wordfence.com — https://www.wordfence.com/blog/2018/11/xss-injection-campaign-exploits-wordpress…
• plugins.trac.wordpress.org — https://plugins.trac.wordpress.org/browser/accelerated-mobile-pages/trunk/change…
• wordpress.org — https://wordpress.org/plugins/accelerated-mobile-pages/#developers
• ampforwp.com — https://ampforwp.com/critical-security-issues-has-been-fixed-in-0-9-97-20-versio…