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AMP for WP <= 1.1.18 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via Author Biographical Info

5.4MediumCNA
Exploited
No known exploitation
Fix
No fix listed
Who is exposed
Not reported
Published
Last modified
13/100 · provisional
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The AMP for WP – Accelerated Mobile Pages WordPress plugin has a flaw that lets an attacker execute arbitrary shortcodes. An attacker can reach it remotely over the network after logging in with low-privilege access, and no user action is needed.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

The The AMP for WP – Accelerated Mobile Pages plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.1.18. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for authenticated attackers, with custom-level access and above, to execute arbitrary shortcodes. The vulnerable output block is gated by the 'ampforwp-cat-description' setting, which is enabled by default, meaning the vast majority of installations are affected without any additional configuration change.

cve.now Index

13Pcve.now Index 13 of 100 · methodology v3 · provisional
  • Exploitation0/40No signal
  • Exposure3/25Reachable over the network · Unknown: No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity5.4/10CVSS 5.4
  • No patch5/5No patch listed yet

What would change the score

  • Would score about 68 if added to CISA KEV
  • Would score about 63 if CISA's SSVC rates exploitation active
  • Would score about 32 if advisories confirm default setups are exposed

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • mohammed_kaludi AMP for WP – Accelerated Mobile Pages

    through 1.1.18

Evidence 4

  1. Link
  2. Link
  3. Link
  4. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-103908

Is CVE-2026-103908 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-103908?

AMP for WP – Accelerated Mobile Pages: through 1.1.18.Source: cve.now feed data