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Fencer Intel
medium 6.5

CVE-2019-13376 json

phpBB Cross-Site Request Forgery (CSRF)

published 7y ago modified 4mo ago also GHSA-6mh2-98gr-wv76 , EUVD-2022-2825

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

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

Patch / fix

  • packagist phpbb/phpbb 3.2.8
  • phpbb3 Ubuntu Pro 14.04 LTS 3.0.12-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2019-13376

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2019-13376 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • blog.phpbb.com https://blog.phpbb.com/category/security/ referenced PoC, tagged "exploit" by a source, unverified
  • ssd-disclosure.com https://ssd-disclosure.com/archives/4007/ssd-advisory-phpbb-csrf-token-hijacking-leading-to-stored-xss referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
packagist phpbb/phpbb
<3.2.8
3.2.8

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
  • CWE-352 Cross-Site Request Forgery

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.