CVE-2023-5917

Name: CVE-2023-5917
Creator: NVD / NIST
Published: 2023-11-02T11:15:14.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2023-5917 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability, which was classified as problematic, has been found in phpBB up to 3.3.10. This issue affects the function main of the file phpBB/includes/acp/acp_icons.php of the component Smiley Pack Handler. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as problematic, has been found in phpBB up to 3.3.10. This issue affects the function main of the file phpBB/includes/acp/acp_icons.php of the component Smiley Pack Handler. The manipulation of the argument pak leads to cross site scripting. The attack may be initiated remotely. Upgrading to version 3.3.11 is able to address this issue. The patch is named ccf6e6c255d38692d72fcb613b113e6eaa240aac. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-244307.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.52%

40.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Phpbb	Phpbb	< 3.3.11

References

https://github.com/phpbb/phpbb/commit/ccf6e6c255d38692d72fcb613b113e6eaa240aacPatch
https://github.com/phpbb/phpbb/releases/tag/release-3.3.11Release Notes
https://vuldb.com/?ctiid.244307Permissions Required, VDB Entry
https://vuldb.com/?id.244307Third Party Advisory, VDB Entry
https://www.phpbb.com/Product
https://www.phpbb.com/community/viewtopic.php?t=2646991Release Notes
https://github.com/phpbb/phpbb/commit/ccf6e6c255d38692d72fcb613b113e6eaa240aacPatch
https://github.com/phpbb/phpbb/releases/tag/release-3.3.11Release Notes
https://vuldb.com/?ctiid.244307Permissions Required, VDB Entry
https://vuldb.com/?id.244307Third Party Advisory, VDB Entry
https://www.phpbb.com/Product
https://www.phpbb.com/community/viewtopic.php?t=2646991Release Notes

Timeline

Published: Nov 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5917?

How severe is CVE-2023-5917?

CVE-2023-5917 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5917?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5917?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST