Odyssey CMS reCAPTCHA odyssey_contact_form.php key management

published 2025-03-12 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-7554

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits: 0; none known

A vulnerability was found in Odyssey CMS up to 10.34. It has been classified as problematic. Affected is an unknown function of the file /modules/odyssey_contact_form/odyssey_contact_form.php of the component reCAPTCHA Handler. The manipulation of the argument g-recaptcha-response leads to key management error. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-12)

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/secuserx/CVE/blob/main/%5BHardcoded%20reCAPTCHA%20secret%20key%5D%20found%20in%20Odyssey%20CMS%2010.35%20-%20(odyssey_contact_form.php).md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	3.0	3.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:P/I:N/A:N
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Odyssey CMS

Classification

Weakness

CWE-320 Key Management Errors

References

github.com /secuserx/CVE/blob/main/%5BHardcoded%20reCAPTCHA%20secret%20key%5D%20found%20in%20Odyssey%20CMS%2010.35%20-%20
exploit, third-party-advisory
vuldb.com /?id.299292
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.299292
signature, permissions-required, vdb-entry
vuldb.com /?submit.512367
third-party-advisory, vdb-entry

Sources

CVE List CVE-2025-2220
NVD CVE-2025-2220

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.

Summary