CVE-2011-4558
mediumpriority · track · 40EPSS 0.043 · 91 %ileexploit · PoCEUUSgrimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · PoC
Likely / severe?
4.27% (91st) EPSS
CVSS 6 · medium
Who says so?
2 sources
enisa_euvd · nvd
EPSS · scored 2026-10-27
Tiki 8.2 and earlier allows remote administrators to execute arbitrary PHP code via crafted input to the regexres and regex parameters.
01
cvss
Technical severity, 0–10. One row per scoring source.
7.2
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–7.2
v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
exploits (1)
Public proof-of-concept and weaponised exploit code.
04
affected products (2)
Products and version ranges known to be affected.
05
also known as (2)
Other names and identifiers for this entity.
06
sources
Which sources assert this record, and when.
published 2020-01-27modified 2026-06-16
08
references (2)
External citations — patches, advisories, analysis.
scry
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