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Fencer Vulns
high 7.5

CVE-2020-13700 in the critical feed json

acf-to-rest-api plugin insecure direct object reference (IDOR) via permalink manipulation

published 2020-06-24 6 y ago modified 2026-06-17 4 mo ago also EUVD-2022-5076 , GHSA-r345-x8hr-2r9p

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
13.5%
EPSS 13.5% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known, plus a Nuclei check

Summary

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.

Exploit prediction

13.46% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template WordPress acf-to-rest-api <=3.1.0 - Insecure Direct Object Reference nuclei detection template
  • gist.github.com https://gist.github.com/mariuszpoplwski/4fbaab7f271bea99c733e3f2a4bafbb5 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist airesvsg/acf-to-rest-api
<=3.1.0
 no fix listed

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-639 Authorization Bypass Through User-Controlled Key
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.