CVE-2020-13700 — An issue was discovered in the acf-to-rest-api plugin through 3

An issue was discovered in the acf-to-rest-api plugin through 3.1.0 for WordPress. It allows an insecure direct object reference via permalinks manipulation, as demonstrated by a wp-json/acf/v3/options/ request that reads sensitive information in the wp_options table, such as the

01What is this vulnerability?

An issue was discovered in the acf-to-rest-api plugin through 3.1.0 for WordPress. It allows an insecure direct object reference via permalinks manipulation, as demonstrated by a wp-json/acf/v3/options/ request that reads sensitive information in the wp_options table, such as the login and pass values.

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: 2020-06-24T14:25:30.000Z
• Last modified: 2024-08-04T12:25:16.446Z

09References

• github.com — https://github.com/airesvsg/acf-to-rest-api
• wordpress.org — https://wordpress.org/plugins/acf-to-rest-api/#developers
• gist.github.com — https://gist.github.com/mariuszpoplwski/4fbaab7f271bea99c733e3f2a4bafbb5