How severe is CVE-2023-34249?

CVE-2023-34249 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-34249 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34249?

CVE-2023-34249 affects Pybb Project Pybb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34249?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-34249 published?

CVE-2023-34249 was published on 2023-06-13 and last updated on 2026-06-17.

CVE-2023-34249

CVE-2023-34249 is a critical-severity vulnerability in Pybb Project Pybb with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Pybb Project Pybb
Published: 2023-06-13
Last modified: 2026-06-17

Description

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`.

Frequently asked questions

What is CVE-2023-34249?: 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`.
How severe is CVE-2023-34249?: CVE-2023-34249 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-34249 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34249?: CVE-2023-34249 affects Pybb Project Pybb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34249?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-34249 published?: CVE-2023-34249 was published on 2023-06-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pybb_project:pybb:*:*:*:*:*:*:*:*

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