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Fencer Vulns
medium 6.1

CVE-2023-39062 json

Spipu HTML2PDF vulnerable to cross-site scripting

published 2023-08-28 3 y ago modified 2026-06-17 4 mo ago also GHSA-99fg-2h75-m92h , EUVD-2023-2254

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

Cross Site Scripting vulnerability in Spipu HTML2PDF before v.5.2.8 allows a remote attacker to execute arbitrary code via a crafted script to the forms.php.

Patch / fix

  • packagist spipu/html2pdf 5.2.8
  • html2pdf_project html2pdf 5.2.8

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.46% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/afine-com/CVE-2023-39062 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/sectroyer/CVEs/tree/main/CVE-2023-39062 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
GitHub 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
packagist spipu/html2pdf
<5.2.8
5.2.8

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.