CVE-2023-34249: benjjvi/PyBB is an open source bulletin board

Q: How do I fix CVE-2023-34249?

pybb: upgrade to 0.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-34249 being exploited?

CVE-2023-34249 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-2023-34249 affect?

CVE-2023-34249 affects pybb. Severity is critical (CVSS 9.8). benjjvi/PyBB is an open source bulletin board. Prior to commit dcaeccd37198ecd3e41ea766d1099354b60d69c2, benjjvi/PyBB is vulnerable to SQL Injection. This vulnerability has been fixed as of commit dcaeccd37198ecd3e41ea766d1099354b60d69c2. A

Q: How urgent is CVE-2023-34249?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-34249 is a critical-severity flaw (CVSS 9.8) affecting pybb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

benjjvi/PyBB is an open source bulletin board. Prior to commit dcaeccd37198ecd3e41ea766d1099354b60d69c2, benjjvi/PyBB is vulnerable to SQL Injection. This vulnerability has been fixed as of commit dcaeccd37198ecd3e41ea766d1099354b60d69c2. As a workaround, a user may be able to update the software manually to avoid this problem by sanitizing user queries to `BulletinDatabaseModule.py`.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-06-13
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: pybb project

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

Am I affected?

Timeline

2023-06-13 17:15 UTCPublished CVE record published
2026-06-17 06:03 UTCUpdated Record last modified

pybb project pybb UPGRADE

Affected: < 0.1.0

Fixed in: 0.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 0.1.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pybb

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-2023-34249?

pybb: upgrade to 0.1.0. Exact commands for each OS are on this page.

Is CVE-2023-34249 being exploited?

CVE-2023-34249 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-2023-34249 affect?

CVE-2023-34249 affects pybb. Severity is critical (CVSS 9.8). benjjvi/PyBB is an open source bulletin board. Prior to commit dcaeccd37198ecd3e41ea766d1099354b60d69c2, benjjvi/PyBB is vulnerable to SQL Injection. This vulnerability has been fixed as of commit dcaeccd37198ecd3e41ea766d1099354b60d69c2. A

How urgent is CVE-2023-34249?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-34461 MEDIUM 4.6 DOWNGRADE PyBB is an open source bulletin board

References

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