CVE-2023-29720: SofaWiki <=3.8.9 is vulnerable to Cross Site Scripting (XSS) via index.php.

Q: How do I fix CVE-2023-29720?

sofawiki: upgrade to newer than 3.8.9. Exact commands for each OS are on this page.

Q: Is CVE-2023-29720 being exploited?

CVE-2023-29720 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-2023-29720 affect?

CVE-2023-29720 affects sofawiki. Severity is medium (CVSS 6.1). SofaWiki <=3.8.9 is vulnerable to Cross Site Scripting (XSS) via index.php.

Q: How urgent is CVE-2023-29720?

Priority 35/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2023-29720 is a medium-severity flaw (CVSS 6.1) affecting sofawiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SofaWiki <=3.8.9 is vulnerable to Cross Site Scripting (XSS) via index.php.

Why this priority

Public exploit reference

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	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-05-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sofawiki project

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

Am I affected?

Timeline

2023-05-18 20:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

sofawiki project sofawiki UPGRADE

Affected: <= 3.8.9

Fixed in: newer than 3.8.9

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.8.9 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sofawiki

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-2023-29720?

sofawiki: upgrade to newer than 3.8.9. Exact commands for each OS are on this page.

Is CVE-2023-29720 being exploited?

CVE-2023-29720 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-2023-29720 affect?

CVE-2023-29720 affects sofawiki. Severity is medium (CVSS 6.1). SofaWiki <=3.8.9 is vulnerable to Cross Site Scripting (XSS) via index.php.

How urgent is CVE-2023-29720?

Priority 35/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-29721 CRITICAL 9.8 UPGRADE SofaWiki <= 3.8.9 has a file upload vulnerability that leads to command execution.

References

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