CVE-2020-13827 json
phpList before 3.5.4 allows XSS via /lists/admin/user.php and /lists/admin/users.php.
published 6y ago modified 4mo ago also BIT-phplist-2020-13827 , EUVD-2020-6041
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
phpList before 3.5.4 allows XSS via /lists/admin/user.php and /lists/admin/users.php.
Patch / fix
- bitnami phplist 3.5.4
- phplist phplist 3.5.4
Is CVE-2020-13827 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.
Check with FencerExploit prediction
0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- wizlynxgroup.com https://www.wizlynxgroup.com/security-research-advisories/vuln/WLX-2020-004 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| OSV | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | phplist | <3.5.4 |
3.5.4 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
wizlynxgroup.com
/security-research-advisories/vuln/WLX-2020-004
exploit, third-party-advisory, web
-
phplist.org
/newslist/phplist-3-5-4-release-notes/
release-notes, web
Sources
- CVE List CVE-2020-13827
- NVD CVE-2020-13827
- OSV BIT-phplist-2020-13827
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.