CVE-2025-15005: A security flaw has been discovered in CouchCMS up to 2.4

Q: How do I fix CVE-2025-15005?

couchcms: upgrade to newer than 2.4. Exact commands for each OS are on this page.

Q: Is CVE-2025-15005 being exploited?

CVE-2025-15005 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-15005 affect?

CVE-2025-15005 affects couchcms. Severity is low (CVSS 3.7). A security flaw has been discovered in CouchCMS up to 2.4. Affected is an unknown function of the file couch/config.example.php of the component reCAPTCHA Handler. The manipulation of the argument K_RECAPTCHA_SITE_KEY/K_RECAPTCHA_SECRET_KEY

Q: How urgent is CVE-2025-15005?

Priority 33/100. Public exploit reference; Remotely exploitable, no login, no user action

This week

LOW 3.7REMOTEUPGRADE

CVE-2025-15005 is a low-severity flaw (CVSS 3.7) affecting couchcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in CouchCMS up to 2.4. Affected is an unknown function of the file couch/config.example.php of the component reCAPTCHA Handler. The manipulation of the argument K_RECAPTCHA_SITE_KEY/K_RECAPTCHA_SECRET_KEY results in use of hard-coded cryptographic key . It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitability is told to be difficult. The exploit has been

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	3.7 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-320, CWE-321
Published	2025-12-22
Last modified	2026-10-19

Publisher (CNA): VulDB · Vendor: couchcms

Last updated 2026-10-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-22 01:16 UTCPublished CVE record published
2026-10-19 22:10 UTCUpdated Record last modified

couchcms couchcms UPGRADE

Affected: <= 2.4

Fixed in: newer than 2.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy couchcms || rpm -q couchcms || couchcms --version

2. UPGRADE to newer than 2.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade couchcms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade couchcms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-15005?

couchcms: upgrade to newer than 2.4. Exact commands for each OS are on this page.

Is CVE-2025-15005 being exploited?

CVE-2025-15005 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-15005 affect?

CVE-2025-15005 affects couchcms. Severity is low (CVSS 3.7). A security flaw has been discovered in CouchCMS up to 2.4. Affected is an unknown function of the file couch/config.example.php of the component reCAPTCHA Handler. The manipulation of the argument K_RECAPTCHA_SITE_KEY/K_RECAPTCHA_SECRET_KEY

How urgent is CVE-2025-15005?

Priority 33/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

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References

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