Medium

AMP for WP <= 0.9.97.19 - Missing Authorization

  • Disclosed: 20.10.2018
  • Updated: 11.10.2026 10:22

TheAMP for WP plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the ampforwp_save_steps_data AJAX hook in versions up to, and including, 0.9.97.19. This makes it possible for authenticated attackers to make otherwise privilege locked administrative changes to the vulnerable website and create admin accounts.

Affected software

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PlatformPackageVulnerable versionsFixed in
WordPress plugin AMP for WP – Accelerated Mobile Pages <= 0.9.97.19 0.9.97.20

References

CVSS score 6.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE)
CWE-862
Platform
WordPress
Package
AMP for WP – Accelerated Mobile Pages
Disclosed
20.10.2018
Updated
11.10.2026 10:22

Sources and licenses

Wordfence Intelligence - 9ea2964f-9e3a-450b-9724-5a520c73d306 - Wordfence Intelligence

Copyright 2012-2026 Defiant Inc.

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Copyright 2012-2026 Defiant Inc.

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Wordfence Intelligence
Wordfence Intelligence - Defiant, Inc.
Copyright Defiant, Inc. All rights reserved except as granted below.
License grant, section 3.1 of the Wordfence Intelligence Terms and Conditions (January 26, 2026):

Subject to this Agreement, Company hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute the Service. Any copy you make for such purposes is authorized provided that you reproduce Company’s copyright designation, this license, and the license of any disclosed Company licensor in any such copy.

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Vulnerability history: AMP for WP – Accelerated Mobile Pages

All published vulnerabilities of this package (WordPress plugin), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (16) in the archive
Total entries
16
First → latest
10.2018 09.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 3
  • Medium 13

Disclosures per year

  1. 2018: 2
  2. 2019: 0
  3. 2020: 0
  4. 2021: 2
  5. 2022: 0
  6. 2023: 2
  7. 2024: 6
  8. 2025: 0
  9. 2026: 4
Severity:
  1. AMP for WP <= 0.9.97.19 - Missing Authorization this entry
    Medium · 6.3 9ea2964f-9e3a-450b-9724-5a520c73d306 <= 0.9.97.19 0.9.97.20

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