CVE-2025-71276: SOGo before 5.12.5 is prone to a XSS vulnerability with events, tasks, and contacts categories.

Q: How do I fix CVE-2025-71276?

sogo: upgrade to 5.12.5. Exact commands for each OS are on this page.

Q: Is CVE-2025-71276 being exploited?

CVE-2025-71276 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-2025-71276 affect?

CVE-2025-71276 affects sogo. Severity is medium (CVSS 6.4). SOGo before 5.12.5 is prone to a XSS vulnerability with events, tasks, and contacts categories.

Q: How urgent is CVE-2025-71276?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2025-71276 is a medium-severity flaw (CVSS 6.4) affecting sogo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SOGo before 5.12.5 is prone to a XSS vulnerability with events, tasks, and contacts categories.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-03-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: alinto

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

Am I affected?

Timeline

2026-03-22 03:16 UTCPublished CVE record published
2026-06-17 10:03 UTCUpdated Record last modified

alinto sogo UPGRADE

Affected: < 5.12.5

Fixed in: 5.12.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 5.12.5 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sogo

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-2025-71276?

sogo: upgrade to 5.12.5. Exact commands for each OS are on this page.

Is CVE-2025-71276 being exploited?

CVE-2025-71276 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-2025-71276 affect?

CVE-2025-71276 affects sogo. Severity is medium (CVSS 6.4). SOGo before 5.12.5 is prone to a XSS vulnerability with events, tasks, and contacts categories.

How urgent is CVE-2025-71276?

Priority 23/100. No elevated risk signals yet.

Related CVEs

CVE-2025-63499 MEDIUM 6.1 UPGRADE Alinto Sogo 5.12.3 is vulnerable to Cross Site Scripting (XSS) via the theme parameter.
CVE-2026-3054 MEDIUM 4.3 DOWNGRADE A vulnerability was identified in Alinto SOGo 5.12.3/5.12.4
CVE-2026-33550 LOW 2.0 UPGRADE SOGo before 5.12.5 does not renew the OTP if a user disables/enables it, and has a too short length (only 12 d

References

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