9.8

CVE-2023-5877: servit affiliate-toolkit Missing Authorization

CVSS: 9.8v3.1CriticalModified
Published 01-01-2024Last modified 03-06-2025
Open JSON

Vulnerability summary

CVE-2023-5877 is a critical (CVSS 9.8) Missing Authorization vulnerability in servit affiliate-toolkit. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 58.9% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 3.4.3.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 01-01-2024
    PublishedVulnerability first disclosed.
  2. 03-06-2025
    Last modifiedVulnerability information updated.

Description

The affiliate-toolkit WordPress plugin before 3.4.3 lacks authorization and authentication for requests to it's affiliate-toolkit-starter/tools/atkp_imagereceiver.php endpoint, allowing unauthenticated visitors to make requests to arbitrary URL's, including RFC1918 private addresses, leading to a Server Side Request Forgery (SSRF) issue.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.90%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.90% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.90%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Servit1 product
Unknown1 product
Wordpress1 product
  • affiliate-toolkit-starter≤ 3.4.2 (fixed in 3.4.3)

3 vendors · 3 products

References

2 links