CVE-2023-35040: Missing Authorization vulnerability in SendPress SendPress Newsletters.This issue affects SendPress Newsletter

Q: How do I fix CVE-2023-35040?

sendpress: upgrade to newer than 1.23.11.6. Exact commands for each OS are on this page.

Q: Is CVE-2023-35040 being exploited?

CVE-2023-35040 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-2023-35040 affect?

CVE-2023-35040 affects sendpress. Severity is medium (CVSS 5.3). Missing Authorization vulnerability in SendPress SendPress Newsletters.This issue affects SendPress Newsletters: from n/a through 1.23.11.6.

Q: How urgent is CVE-2023-35040?

Priority 33/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2023-35040 is a medium-severity flaw (CVSS 5.3) affecting sendpress. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Missing Authorization vulnerability in SendPress SendPress Newsletters.This issue affects SendPress Newsletters: from n/a through 1.23.11.6.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-862
Published	2024-06-14
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: pressified

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-06-14 00:15 UTCPublished CVE record published
2026-06-17 06:04 UTCUpdated Record last modified

pressified sendpress UPGRADE

Affected: <= 1.23.11.6

Fixed in: newer than 1.23.11.6

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.23.11.6 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sendpress

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-2023-35040?

sendpress: upgrade to newer than 1.23.11.6. Exact commands for each OS are on this page.

Is CVE-2023-35040 being exploited?

CVE-2023-35040 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-2023-35040 affect?

CVE-2023-35040 affects sendpress. Severity is medium (CVSS 5.3). Missing Authorization vulnerability in SendPress SendPress Newsletters.This issue affects SendPress Newsletters: from n/a through 1.23.11.6.

How urgent is CVE-2023-35040?

Priority 33/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-1589 MEDIUM 6.1 UPGRADE The SendPress Newsletters WordPress plugin through 1.23.11.6 does not sanitise and escape some of its settings
CVE-2024-1588 MEDIUM 6.8 UPGRADE The SendPress Newsletters WordPress plugin through 1.23.11.6 does not sanitise and escape some of its settings
CVE-2023-5660 MEDIUM 6.4 UPGRADE The SendPress Newsletters plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's s
CVE-2023-47517 HIGH 7.1 UPGRADE Unauth
CVE-2023-41730 MEDIUM 4.3 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in SendPress Newsletters plugin <= 1.22.3.31 versions.

References

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