CVE-2024-23735: Cross Site Scripting (XSS) vulnerability in in the S/MIME certificate upload functionality of the User Profile

Q: How do I fix CVE-2024-23735?

s-notify: upgrade to 4.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-23735 being exploited?

CVE-2024-23735 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-2024-23735 affect?

CVE-2024-23735 affects s-notify. Severity is medium (CVSS 6.1). Cross Site Scripting (XSS) vulnerability in in the S/MIME certificate upload functionality of the User Profile pages in savignano S/Notify before 4.0.0 for Confluence allows attackers to manipulate user data via specially crafted certificat

Q: How urgent is CVE-2024-23735?

Priority 24/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2024-23735 is a medium-severity flaw (CVSS 6.1) affecting s-notify. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting (XSS) vulnerability in in the S/MIME certificate upload functionality of the User Profile pages in savignano S/Notify before 4.0.0 for Confluence allows attackers to manipulate user data via specially crafted certificate.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-04-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: savignano

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

Am I affected?

Timeline

2024-04-10 16:15 UTCPublished CVE record published
2026-06-17 07:13 UTCUpdated Record last modified

savignano s-notify UPGRADE

Affected: < 4.0.0

Fixed in: 4.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy s-notify || rpm -q s-notify || s-notify --version

2. UPGRADE to 4.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade s-notify

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade s-notify

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-2024-23735?

s-notify: upgrade to 4.0.0. Exact commands for each OS are on this page.

Is CVE-2024-23735 being exploited?

CVE-2024-23735 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-2024-23735 affect?

CVE-2024-23735 affects s-notify. Severity is medium (CVSS 6.1). Cross Site Scripting (XSS) vulnerability in in the S/MIME certificate upload functionality of the User Profile pages in savignano S/Notify before 4.0.0 for Confluence allows attackers to manipulate user data via specially crafted certificat

How urgent is CVE-2024-23735?

Priority 24/100. No elevated risk signals yet.

Software pages

Atlassian Confluence vulnerabilities

Related CVEs

CVE-2024-23737 MEDIUM 5.4 UPGRADE UPGRADE Cross Site Request Forgery (CSRF) vulnerability in savignano S/Notify before 4.0.2 for Jira allows attackers t
CVE-2024-23734 MEDIUM 5.2 UPGRADE Cross Site Request Forgery vulnerability in in the upload functionality of the User Profile pages in savignano
CVE-2023-50932 HIGH 8.3 UPGRADE An issue was discovered in savignano S/Notify before 4.0.2 for Confluence
CVE-2023-50931 HIGH 8.3 UPGRADE An issue was discovered in savignano S/Notify before 2.0.1 for Bitbucket
CVE-2023-50930 HIGH 8.3 UPGRADE An issue was discovered in savignano S/Notify before 4.0.2 for Jira

References

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