An issue was discovered in Ankitects Anki through 25.02. A crafted shared deck can result in attacker-controlled access to the internal API (even though the attacker has no knowledge of an API key) through approaches such as scripts or the SRC attribute of an IMG element. NOTE: this issue exists because of an incomplete fix for CVE-2024-32484.
Conclusion & alert: CVE-2025-43703 is rated Low Risk (38.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.20%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-26 | 0.54% | 0.20% | -0.34% |
| 2 | 2026-05-25 | 0.19% | 0.54% | +0.35% |
| 3 | 2026-02-10 | — | 0.19% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 5.4 | 3.1 | MEDIUM |
|
2.8 | 2.5 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2025-43703 unimportant priority: Debian including 1 source packages (anki), 1 status rows across 1 suites (bullseye): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2025-43703 |
ubuntu
|
medium | CVE-2025-43703 medium priority: Ubuntu including 1 source packages (anki), 9 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): needs-triage 5, DNE 2, ignored 1, not-affected 1. | https://ubuntu.com/security/CVE-2025-43703 |
| URL | Tags |
|---|---|
| https://github.com/ankitects/anki/pull/3925 | Issue Tracking Patch |
| https://github.com/ankitects/anki/pull/3925/commits/24bca15fd3d9dc386916509eb2d4862d1184e709 | Patch |