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Fencer Vulns
medium 4.8

CVE-2023-27711 json

Cross Site Scripting vulnerability found in Typecho v.1.2.0 allows a remote attacker to execute arbitrary code via the Comment Manager /adm…

published 2023-03-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31447

cvss
4.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

Cross Site Scripting vulnerability found in Typecho v.1.2.0 allows a remote attacker to execute arbitrary code via the Comment Manager /admin/manage-comments.php component.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
20 mo ago

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/typecho/typecho/issues/1539 referenced PoC, tagged "exploit" by a source, unverified
  • srpopty.github.io https://srpopty.github.io/2023/03/02/Typecho-V1.2.0-Backend-Reflected-XSS-cid/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:L
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:L

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns 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.