No exploitation reportedFix available

CVE-2019-13376

Q: Is CVE-2019-13376 actively exploited?

Active exploitation of CVE-2019-13376 has not been confirmed. Its EPSS score was 0.7% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-13376?

CVE-2019-13376 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

No exploitation reported by the sources we read.

Published2019-09-27
Fixed in3.2.8
WeaknessCWE-352 · CWE-79

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

phpBB version 3.2.7 allows the stealing of an Administration Control Panel session id by leveraging CSRF in the Remote Avatar feature. The CSRF Token Hijacking leads to stored XSS

Timeline

dates in UTC

2019-09-2713:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-13376?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-13376?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD

phpbb/phpbb

Branch	Affected	Fixed in	Source
3.2	< 3.2.8	3.2.8	OSV

Phpbb

Branch	Affected	Fixed in	Source
3.2	= 3.2.7	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update phpbb/phpbb to 3.2.8

Advisories and patches

blog.phpbb.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.16.5read 2026-10-23
NVDCVSS 2.04.3read 2026-10-23
NVDweakness (CWE)CWE-352, CWE-79read 2026-10-23
FIRST EPSSEPSS score0.7 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Published: 2019-09-27
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-13376?

phpBB version 3.2.7 allows the stealing of an Administration Control Panel session id by leveraging CSRF in the Remote Avatar feature. The CSRF Token Hijacking leads to stored XSS

Is CVE-2019-13376 actively exploited?

Active exploitation of CVE-2019-13376 has not been confirmed. Its EPSS score was 0.7% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-13376?

CVE-2019-13376 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

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